./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:49:56,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:49:56,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:49:56,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:49:56,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:49:56,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:49:56,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:49:56,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:49:56,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:49:56,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:49:56,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:49:56,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:49:56,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:49:56,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:49:56,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:49:56,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:49:56,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:49:56,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:49:56,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:49:56,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:49:56,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:49:56,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:49:56,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:49:56,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:49:56,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:49:56,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:49:56,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:49:56,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:49:56,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:49:56,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:49:56,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:49:56,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:49:56,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:49:56,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:49:56,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:49:56,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:49:56,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:49:56,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:49:56,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:49:56,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:49:56,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:49:56,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-28 09:49:56,348 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:49:56,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:49:56,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:49:56,350 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:49:56,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:49:56,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:49:56,352 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:49:56,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:49:56,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:49:56,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:49:56,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:49:56,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:49:56,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:49:56,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:49:56,355 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:49:56,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:49:56,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:49:56,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:49:56,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:49:56,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:49:56,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:49:56,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:49:56,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:49:56,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:49:56,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:49:56,358 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:49:56,359 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:49:56,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:49:56,359 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:49:56,361 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_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2021-10-28 09:49:56,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:49:56,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:49:56,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:49:56,822 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:49:56,823 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:49:56,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-10-28 09:49:56,920 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg/data/d8dca62ab/29bbbe22d6384f079a3ee6baa64ae7f9/FLAGe27589976 [2021-10-28 09:49:58,084 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:49:58,084 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-10-28 09:49:58,161 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg/data/d8dca62ab/29bbbe22d6384f079a3ee6baa64ae7f9/FLAGe27589976 [2021-10-28 09:49:58,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg/data/d8dca62ab/29bbbe22d6384f079a3ee6baa64ae7f9 [2021-10-28 09:49:58,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:49:58,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:49:58,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:49:58,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:49:58,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:49:58,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:49:58" (1/1) ... [2021-10-28 09:49:58,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27212aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:58, skipping insertion in model container [2021-10-28 09:49:58,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:49:58" (1/1) ... [2021-10-28 09:49:58,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:49:58,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:49:59,005 WARN L228 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_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-10-28 09:49:59,016 WARN L228 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_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-10-28 09:49:59,060 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-28 09:49:59,079 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-28 09:50:00,539 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:00,540 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:00,541 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:00,542 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:00,544 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:00,562 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:00,562 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:00,565 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:00,566 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:00,569 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:00,570 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:00,571 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:00,572 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:01,234 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-28 09:50:01,236 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-28 09:50:01,238 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-28 09:50:01,239 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-28 09:50:01,241 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-28 09:50:01,242 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-28 09:50:01,243 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-28 09:50:01,244 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-28 09:50:01,245 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-28 09:50:01,246 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-28 09:50:01,497 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-28 09:50:01,959 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:01,959 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:01,988 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:01,990 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:01,998 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:01,998 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,018 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,019 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,020 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,021 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,022 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,022 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,023 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:50:02,114 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:50:02,131 WARN L228 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_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-10-28 09:50:02,132 WARN L228 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_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-10-28 09:50:02,134 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-28 09:50:02,135 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-28 09:50:02,179 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,182 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,184 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,186 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,186 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,198 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,199 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,200 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,201 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,202 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,203 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,203 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,203 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,261 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-28 09:50:02,263 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-28 09:50:02,267 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-28 09:50:02,268 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-28 09:50:02,269 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-28 09:50:02,270 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-28 09:50:02,270 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-28 09:50:02,271 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-28 09:50:02,271 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-28 09:50:02,272 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-28 09:50:02,306 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-28 09:50:02,454 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,454 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,471 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,547 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,551 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,551 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,566 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,567 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,569 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,569 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,570 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,570 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,571 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:50:02,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:50:02,941 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:50:02,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:02 WrapperNode [2021-10-28 09:50:02,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:50:02,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:50:02,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:50:02,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:50:02,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:02" (1/1) ... [2021-10-28 09:50:03,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:02" (1/1) ... [2021-10-28 09:50:03,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:50:03,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:50:03,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:50:03,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:50:03,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:02" (1/1) ... [2021-10-28 09:50:03,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:02" (1/1) ... [2021-10-28 09:50:03,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:02" (1/1) ... [2021-10-28 09:50:03,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:02" (1/1) ... [2021-10-28 09:50:03,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:02" (1/1) ... [2021-10-28 09:50:03,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:02" (1/1) ... [2021-10-28 09:50:03,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:02" (1/1) ... [2021-10-28 09:50:03,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:50:03,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:50:03,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:50:03,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:50:03,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:02" (1/1) ... [2021-10-28 09:50:03,389 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:50:03,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:03,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:03,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:50:03,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:50:03,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:50:03,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:50:03,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:50:03,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:50:03,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:50:03,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:50:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:50:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 09:50:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:50:16,125 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume !true; [2021-10-28 09:50:16,135 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:50:16,136 INFO L299 CfgBuilder]: Removed 45 assume(true) statements. [2021-10-28 09:50:16,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:50:16 BoogieIcfgContainer [2021-10-28 09:50:16,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:50:16,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:50:16,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:50:16,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:50:16,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:49:58" (1/3) ... [2021-10-28 09:50:16,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e19f66e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:50:16, skipping insertion in model container [2021-10-28 09:50:16,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:02" (2/3) ... [2021-10-28 09:50:16,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e19f66e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:50:16, skipping insertion in model container [2021-10-28 09:50:16,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:50:16" (3/3) ... [2021-10-28 09:50:16,149 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2021-10-28 09:50:16,156 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:50:16,156 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:50:16,239 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:50:16,247 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 [2021-10-28 09:50:16,248 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:50:16,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.5575221238938053) internal successors, (176), 114 states have internal predecessors, (176), 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) [2021-10-28 09:50:16,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-28 09:50:16,295 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:16,296 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:16,296 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:16,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:16,303 INFO L85 PathProgramCache]: Analyzing trace with hash -2017125498, now seen corresponding path program 1 times [2021-10-28 09:50:16,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:16,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851729273] [2021-10-28 09:50:16,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:16,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:17,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:50:17,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:17,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851729273] [2021-10-28 09:50:17,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851729273] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:17,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:17,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:50:17,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525858887] [2021-10-28 09:50:17,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:50:17,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:17,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:50:17,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:50:17,256 INFO L87 Difference]: Start difference. First operand has 115 states, 113 states have (on average 1.5575221238938053) internal successors, (176), 114 states have internal predecessors, (176), 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) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-10-28 09:50:17,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:17,290 INFO L93 Difference]: Finished difference Result 225 states and 346 transitions. [2021-10-28 09:50:17,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:50:17,292 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) Word has length 44 [2021-10-28 09:50:17,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:17,304 INFO L225 Difference]: With dead ends: 225 [2021-10-28 09:50:17,305 INFO L226 Difference]: Without dead ends: 108 [2021-10-28 09:50:17,308 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:50:17,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-10-28 09:50:17,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2021-10-28 09:50:17,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.4953271028037383) internal successors, (160), 107 states have internal predecessors, (160), 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) [2021-10-28 09:50:17,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 160 transitions. [2021-10-28 09:50:17,357 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 160 transitions. Word has length 44 [2021-10-28 09:50:17,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:17,358 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 160 transitions. [2021-10-28 09:50:17,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-10-28 09:50:17,358 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 160 transitions. [2021-10-28 09:50:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-28 09:50:17,361 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:17,361 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:17,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:50:17,362 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:17,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:17,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1074584392, now seen corresponding path program 1 times [2021-10-28 09:50:17,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:17,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537357541] [2021-10-28 09:50:17,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:17,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:19,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:50:19,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:19,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537357541] [2021-10-28 09:50:19,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537357541] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:19,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:19,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:50:19,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025662587] [2021-10-28 09:50:19,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:50:19,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:19,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:50:19,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:50:19,304 INFO L87 Difference]: Start difference. First operand 108 states and 160 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2021-10-28 09:50:19,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:19,558 INFO L93 Difference]: Finished difference Result 108 states and 160 transitions. [2021-10-28 09:50:19,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:50:19,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) Word has length 44 [2021-10-28 09:50:19,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:19,559 INFO L225 Difference]: With dead ends: 108 [2021-10-28 09:50:19,559 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:50:19,560 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:50:19,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:50:19,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:50:19,561 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) [2021-10-28 09:50:19,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:50:19,561 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2021-10-28 09:50:19,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:19,562 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:50:19,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2021-10-28 09:50:19,562 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:50:19,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:50:19,566 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:50:19,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:50:19,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:50:19,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,681 INFO L857 garLoopResultBuilder]: For program point L8921(line 8921) no Hoare annotation was computed. [2021-10-28 09:50:19,682 INFO L857 garLoopResultBuilder]: For program point L8921-2(line 8921) no Hoare annotation was computed. [2021-10-28 09:50:19,682 INFO L857 garLoopResultBuilder]: For program point L8971(line 8971) no Hoare annotation was computed. [2021-10-28 09:50:19,682 INFO L857 garLoopResultBuilder]: For program point L8872(line 8872) no Hoare annotation was computed. [2021-10-28 09:50:19,682 INFO L857 garLoopResultBuilder]: For program point L8922(line 8922) no Hoare annotation was computed. [2021-10-28 09:50:19,682 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:50:19,683 INFO L857 garLoopResultBuilder]: For program point L8856-3(lines 8856 8864) no Hoare annotation was computed. [2021-10-28 09:50:19,683 INFO L853 garLoopResultBuilder]: At program point L8856-2(lines 8856 8864) the Hoare annotation is: false [2021-10-28 09:50:19,683 INFO L857 garLoopResultBuilder]: For program point L8873(line 8873) no Hoare annotation was computed. [2021-10-28 09:50:19,683 INFO L853 garLoopResultBuilder]: At program point L8956(lines 8956 8972) the Hoare annotation is: false [2021-10-28 09:50:19,683 INFO L853 garLoopResultBuilder]: At program point L8890-2(lines 8890 8898) the Hoare annotation is: false [2021-10-28 09:50:19,684 INFO L857 garLoopResultBuilder]: For program point L8890-3(lines 8890 8898) no Hoare annotation was computed. [2021-10-28 09:50:19,684 INFO L857 garLoopResultBuilder]: For program point L8874(line 8874) no Hoare annotation was computed. [2021-10-28 09:50:19,684 INFO L857 garLoopResultBuilder]: For program point L8924(line 8924) no Hoare annotation was computed. [2021-10-28 09:50:19,684 INFO L857 garLoopResultBuilder]: For program point L8924-2(line 8924) no Hoare annotation was computed. [2021-10-28 09:50:19,685 INFO L853 garLoopResultBuilder]: At program point L6876(lines 6867 6877) the Hoare annotation is: false [2021-10-28 09:50:19,685 INFO L857 garLoopResultBuilder]: For program point L8908(line 8908) no Hoare annotation was computed. [2021-10-28 09:50:19,686 INFO L857 garLoopResultBuilder]: For program point L8875(line 8875) no Hoare annotation was computed. [2021-10-28 09:50:19,686 INFO L857 garLoopResultBuilder]: For program point L8908-2(line 8908) no Hoare annotation was computed. [2021-10-28 09:50:19,686 INFO L857 garLoopResultBuilder]: For program point L10246(lines 10246 10249) no Hoare annotation was computed. [2021-10-28 09:50:19,686 INFO L857 garLoopResultBuilder]: For program point L8925(line 8925) no Hoare annotation was computed. [2021-10-28 09:50:19,687 INFO L857 garLoopResultBuilder]: For program point L8958-2(line 8958) no Hoare annotation was computed. [2021-10-28 09:50:19,687 INFO L857 garLoopResultBuilder]: For program point L8958(line 8958) no Hoare annotation was computed. [2021-10-28 09:50:19,687 INFO L857 garLoopResultBuilder]: For program point L8909(line 8909) no Hoare annotation was computed. [2021-10-28 09:50:19,688 INFO L857 garLoopResultBuilder]: For program point L8876(line 8876) no Hoare annotation was computed. [2021-10-28 09:50:19,688 INFO L857 garLoopResultBuilder]: For program point L8959-2(line 8959) no Hoare annotation was computed. [2021-10-28 09:50:19,688 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-10-28 09:50:19,688 INFO L857 garLoopResultBuilder]: For program point L8959(line 8959) no Hoare annotation was computed. [2021-10-28 09:50:19,688 INFO L857 garLoopResultBuilder]: For program point L8877(line 8877) no Hoare annotation was computed. [2021-10-28 09:50:19,688 INFO L853 garLoopResultBuilder]: At program point L9951-2(line 9951) the Hoare annotation is: false [2021-10-28 09:50:19,689 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:50:19,689 INFO L857 garLoopResultBuilder]: For program point L9951-3(line 9951) no Hoare annotation was computed. [2021-10-28 09:50:19,689 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-10-28 09:50:19,690 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-10-28 09:50:19,694 INFO L857 garLoopResultBuilder]: For program point L8960(line 8960) no Hoare annotation was computed. [2021-10-28 09:50:19,694 INFO L857 garLoopResultBuilder]: For program point L8927(line 8927) no Hoare annotation was computed. [2021-10-28 09:50:19,695 INFO L857 garLoopResultBuilder]: For program point L8960-2(line 8960) no Hoare annotation was computed. [2021-10-28 09:50:19,695 INFO L857 garLoopResultBuilder]: For program point L8878(line 8878) no Hoare annotation was computed. [2021-10-28 09:50:19,695 INFO L857 garLoopResultBuilder]: For program point L8961(line 8961) no Hoare annotation was computed. [2021-10-28 09:50:19,695 INFO L857 garLoopResultBuilder]: For program point L8961-2(line 8961) no Hoare annotation was computed. [2021-10-28 09:50:19,695 INFO L853 garLoopResultBuilder]: At program point L6864(lines 6861 6865) the Hoare annotation is: false [2021-10-28 09:50:19,696 INFO L860 garLoopResultBuilder]: At program point L10250(line 10250) the Hoare annotation is: true [2021-10-28 09:50:19,696 INFO L857 garLoopResultBuilder]: For program point L8879(line 8879) no Hoare annotation was computed. [2021-10-28 09:50:19,696 INFO L857 garLoopResultBuilder]: For program point L8962(line 8962) no Hoare annotation was computed. [2021-10-28 09:50:19,696 INFO L853 garLoopResultBuilder]: At program point L6947(lines 6943 6948) the Hoare annotation is: false [2021-10-28 09:50:19,696 INFO L857 garLoopResultBuilder]: For program point L8929(line 8929) no Hoare annotation was computed. [2021-10-28 09:50:19,697 INFO L857 garLoopResultBuilder]: For program point L8962-2(line 8962) no Hoare annotation was computed. [2021-10-28 09:50:19,697 INFO L857 garLoopResultBuilder]: For program point L8913(line 8913) no Hoare annotation was computed. [2021-10-28 09:50:19,697 INFO L857 garLoopResultBuilder]: For program point L8880(line 8880) no Hoare annotation was computed. [2021-10-28 09:50:19,697 INFO L857 garLoopResultBuilder]: For program point L8913-2(line 8913) no Hoare annotation was computed. [2021-10-28 09:50:19,697 INFO L857 garLoopResultBuilder]: For program point L8963(line 8963) no Hoare annotation was computed. [2021-10-28 09:50:19,697 INFO L857 garLoopResultBuilder]: For program point L8963-2(line 8963) no Hoare annotation was computed. [2021-10-28 09:50:19,698 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:50:19,698 INFO L857 garLoopResultBuilder]: For program point L8914(line 8914) no Hoare annotation was computed. [2021-10-28 09:50:19,698 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:50:19,698 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:50:19,698 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:50:19,699 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:50:19,699 INFO L857 garLoopResultBuilder]: For program point L8881(line 8881) no Hoare annotation was computed. [2021-10-28 09:50:19,699 INFO L857 garLoopResultBuilder]: For program point L8964(line 8964) no Hoare annotation was computed. [2021-10-28 09:50:19,699 INFO L857 garLoopResultBuilder]: For program point L8964-2(line 8964) no Hoare annotation was computed. [2021-10-28 09:50:19,699 INFO L857 garLoopResultBuilder]: For program point L6305-2(line 6305) no Hoare annotation was computed. [2021-10-28 09:50:19,699 INFO L857 garLoopResultBuilder]: For program point L6305-3(line 6305) no Hoare annotation was computed. [2021-10-28 09:50:19,700 INFO L857 garLoopResultBuilder]: For program point L6305(line 6305) no Hoare annotation was computed. [2021-10-28 09:50:19,700 INFO L853 garLoopResultBuilder]: At program point L6305-6(lines 6301 6306) the Hoare annotation is: false [2021-10-28 09:50:19,700 INFO L857 garLoopResultBuilder]: For program point L6305-7(line 6305) no Hoare annotation was computed. [2021-10-28 09:50:19,700 INFO L857 garLoopResultBuilder]: For program point L6305-5(line 6305) no Hoare annotation was computed. [2021-10-28 09:50:19,700 INFO L857 garLoopResultBuilder]: For program point L6305-10(line 6305) no Hoare annotation was computed. [2021-10-28 09:50:19,701 INFO L857 garLoopResultBuilder]: For program point L6305-9(line 6305) no Hoare annotation was computed. [2021-10-28 09:50:19,701 INFO L857 garLoopResultBuilder]: For program point L8882(line 8882) no Hoare annotation was computed. [2021-10-28 09:50:19,701 INFO L857 garLoopResultBuilder]: For program point L6305-14(line 6305) no Hoare annotation was computed. [2021-10-28 09:50:19,701 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-28 09:50:19,701 INFO L857 garLoopResultBuilder]: For program point L6305-12(line 6305) no Hoare annotation was computed. [2021-10-28 09:50:19,702 INFO L853 garLoopResultBuilder]: At program point L6305-13(lines 6301 6306) the Hoare annotation is: false [2021-10-28 09:50:19,702 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-10-28 09:50:19,702 INFO L857 garLoopResultBuilder]: For program point L6305-19(line 6305) no Hoare annotation was computed. [2021-10-28 09:50:19,702 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-10-28 09:50:19,702 INFO L857 garLoopResultBuilder]: For program point L6305-16(line 6305) no Hoare annotation was computed. [2021-10-28 09:50:19,702 INFO L857 garLoopResultBuilder]: For program point L6305-17(line 6305) no Hoare annotation was computed. [2021-10-28 09:50:19,703 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-10-28 09:50:19,703 INFO L853 garLoopResultBuilder]: At program point L6305-20(lines 6301 6306) the Hoare annotation is: false [2021-10-28 09:50:19,703 INFO L857 garLoopResultBuilder]: For program point L8965(line 8965) no Hoare annotation was computed. [2021-10-28 09:50:19,703 INFO L857 garLoopResultBuilder]: For program point L8965-2(line 8965) no Hoare annotation was computed. [2021-10-28 09:50:19,703 INFO L853 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: false [2021-10-28 09:50:19,704 INFO L853 garLoopResultBuilder]: At program point L6951(lines 6950 6952) the Hoare annotation is: false [2021-10-28 09:50:19,711 INFO L857 garLoopResultBuilder]: For program point L8966-2(line 8966) no Hoare annotation was computed. [2021-10-28 09:50:19,711 INFO L857 garLoopResultBuilder]: For program point L8966(line 8966) no Hoare annotation was computed. [2021-10-28 09:50:19,711 INFO L857 garLoopResultBuilder]: For program point L8917(line 8917) no Hoare annotation was computed. [2021-10-28 09:50:19,711 INFO L857 garLoopResultBuilder]: For program point L8917-2(line 8917) no Hoare annotation was computed. [2021-10-28 09:50:19,711 INFO L857 garLoopResultBuilder]: For program point L8967-2(line 8967) no Hoare annotation was computed. [2021-10-28 09:50:19,712 INFO L853 garLoopResultBuilder]: At program point L8868(lines 8868 8883) the Hoare annotation is: false [2021-10-28 09:50:19,712 INFO L857 garLoopResultBuilder]: For program point L8967(line 8967) no Hoare annotation was computed. [2021-10-28 09:50:19,712 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:50:19,712 INFO L857 garLoopResultBuilder]: For program point L8852(line 8852) no Hoare annotation was computed. [2021-10-28 09:50:19,712 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 09:50:19,713 INFO L857 garLoopResultBuilder]: For program point L8852-2(lines 8852 8973) no Hoare annotation was computed. [2021-10-28 09:50:19,713 INFO L857 garLoopResultBuilder]: For program point L8918(line 8918) no Hoare annotation was computed. [2021-10-28 09:50:19,713 INFO L857 garLoopResultBuilder]: For program point L8968(line 8968) no Hoare annotation was computed. [2021-10-28 09:50:19,713 INFO L853 garLoopResultBuilder]: At program point L8902(lines 8902 8930) the Hoare annotation is: false [2021-10-28 09:50:19,713 INFO L857 garLoopResultBuilder]: For program point L8968-2(line 8968) no Hoare annotation was computed. [2021-10-28 09:50:19,714 INFO L857 garLoopResultBuilder]: For program point L6871(lines 6871 6872) no Hoare annotation was computed. [2021-10-28 09:50:19,714 INFO L857 garLoopResultBuilder]: For program point L8886-2(lines 8886 8973) no Hoare annotation was computed. [2021-10-28 09:50:19,714 INFO L857 garLoopResultBuilder]: For program point L8886-4(lines 8852 8973) no Hoare annotation was computed. [2021-10-28 09:50:19,714 INFO L857 garLoopResultBuilder]: For program point L6871-2(lines 6871 6872) no Hoare annotation was computed. [2021-10-28 09:50:19,714 INFO L857 garLoopResultBuilder]: For program point L8886(line 8886) no Hoare annotation was computed. [2021-10-28 09:50:19,714 INFO L857 garLoopResultBuilder]: For program point L8936-3(lines 8936 8953) no Hoare annotation was computed. [2021-10-28 09:50:19,715 INFO L857 garLoopResultBuilder]: For program point L8969(line 8969) no Hoare annotation was computed. [2021-10-28 09:50:19,715 INFO L857 garLoopResultBuilder]: For program point L8870(line 8870) no Hoare annotation was computed. [2021-10-28 09:50:19,715 INFO L853 garLoopResultBuilder]: At program point L8936-2(lines 8936 8953) the Hoare annotation is: false [2021-10-28 09:50:19,715 INFO L853 garLoopResultBuilder]: At program point L6294(lines 6291 6295) the Hoare annotation is: false [2021-10-28 09:50:19,715 INFO L860 garLoopResultBuilder]: At program point L9944(lines 9944 9952) the Hoare annotation is: true [2021-10-28 09:50:19,715 INFO L853 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= 32 ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) [2021-10-28 09:50:19,716 INFO L857 garLoopResultBuilder]: For program point L8904(line 8904) no Hoare annotation was computed. [2021-10-28 09:50:19,716 INFO L857 garLoopResultBuilder]: For program point L8871(line 8871) no Hoare annotation was computed. [2021-10-28 09:50:19,716 INFO L853 garLoopResultBuilder]: At program point L8838(lines 8838 8977) the Hoare annotation is: false [2021-10-28 09:50:19,720 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 09:50:19,721 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:50:19,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:50:19 BoogieIcfgContainer [2021-10-28 09:50:19,737 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:50:19,739 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:50:19,739 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:50:19,739 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:50:19,740 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:50:16" (3/4) ... [2021-10-28 09:50:19,745 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:50:19,782 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 124 nodes and edges [2021-10-28 09:50:19,785 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-10-28 09:50:19,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-10-28 09:50:19,790 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-28 09:50:19,793 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-28 09:50:19,795 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-28 09:50:19,798 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:50:19,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:50:20,953 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:50:20,953 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:50:20,955 INFO L168 Benchmark]: Toolchain (without parser) took 22554.36 ms. Allocated memory was 121.6 MB in the beginning and 327.2 MB in the end (delta: 205.5 MB). Free memory was 75.6 MB in the beginning and 74.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 242.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:20,956 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 121.6 MB. Free memory was 95.7 MB in the beginning and 95.7 MB in the end (delta: 21.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:50:20,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4537.81 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 75.3 MB in the beginning and 64.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 84.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:20,957 INFO L168 Benchmark]: Boogie Procedure Inliner took 302.17 ms. Allocated memory is still 155.2 MB. Free memory was 64.8 MB in the beginning and 97.1 MB in the end (delta: -32.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:20,957 INFO L168 Benchmark]: Boogie Preprocessor took 132.40 ms. Allocated memory is still 155.2 MB. Free memory was 97.1 MB in the beginning and 88.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:20,958 INFO L168 Benchmark]: RCFGBuilder took 12760.14 ms. Allocated memory was 155.2 MB in the beginning and 327.2 MB in the end (delta: 172.0 MB). Free memory was 88.7 MB in the beginning and 176.7 MB in the end (delta: -88.0 MB). Peak memory consumption was 196.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:20,958 INFO L168 Benchmark]: TraceAbstraction took 3596.72 ms. Allocated memory is still 327.2 MB. Free memory was 175.6 MB in the beginning and 80.7 MB in the end (delta: 94.9 MB). Peak memory consumption was 93.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:20,959 INFO L168 Benchmark]: Witness Printer took 1214.92 ms. Allocated memory is still 327.2 MB. Free memory was 80.7 MB in the beginning and 74.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 41.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:20,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 121.6 MB. Free memory was 95.7 MB in the beginning and 95.7 MB in the end (delta: 21.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4537.81 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 75.3 MB in the beginning and 64.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 84.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 302.17 ms. Allocated memory is still 155.2 MB. Free memory was 64.8 MB in the beginning and 97.1 MB in the end (delta: -32.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 132.40 ms. Allocated memory is still 155.2 MB. Free memory was 97.1 MB in the beginning and 88.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 12760.14 ms. Allocated memory was 155.2 MB in the beginning and 327.2 MB in the end (delta: 172.0 MB). Free memory was 88.7 MB in the beginning and 176.7 MB in the end (delta: -88.0 MB). Peak memory consumption was 196.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3596.72 ms. Allocated memory is still 327.2 MB. Free memory was 175.6 MB in the beginning and 80.7 MB in the end (delta: 94.9 MB). Peak memory consumption was 93.8 MB. Max. memory is 16.1 GB. * Witness Printer took 1214.92 ms. Allocated memory is still 327.2 MB. Free memory was 80.7 MB in the beginning and 74.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 41.1 MB. Max. memory is 16.1 GB. * 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 1 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 168 SDtfs, 3 SDslu, 3 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 22 NumberOfFragments, 22 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 6943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9944]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 32 == max_size - InvariantResult [Line: 6861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9951]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:50:21,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b49f5c5-a3b8-4fe0-9ed8-70b9a5aedcea/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...