./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_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_f306a278-e0a9-417e-a172-6c083a4b75ae/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f306a278-e0a9-417e-a172-6c083a4b75ae/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_f306a278-e0a9-417e-a172-6c083a4b75ae/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f306a278-e0a9-417e-a172-6c083a4b75ae/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f306a278-e0a9-417e-a172-6c083a4b75ae/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_f306a278-e0a9-417e-a172-6c083a4b75ae/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 c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:03:09,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:03:09,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:03:09,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:03:09,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:03:09,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:03:09,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:03:09,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:03:09,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:03:09,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:03:09,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:03:09,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:03:09,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:03:09,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:03:09,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:03:09,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:03:09,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:03:09,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:03:09,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:03:09,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:03:09,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:03:09,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:03:09,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:03:09,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:03:09,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:03:09,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:03:09,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:03:09,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:03:09,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:03:09,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:03:09,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:03:09,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:03:09,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:03:09,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:03:09,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:03:09,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:03:09,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:03:09,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:03:09,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:03:09,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:03:09,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:03:09,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f306a278-e0a9-417e-a172-6c083a4b75ae/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-28 09:03:09,240 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:03:09,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:03:09,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:03:09,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:03:09,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:03:09,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:03:09,246 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:03:09,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:03:09,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:03:09,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:03:09,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:03:09,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:03:09,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:03:09,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:03:09,248 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:03:09,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:03:09,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:03:09,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:03:09,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:03:09,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:03:09,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:03:09,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:03:09,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:03:09,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:03:09,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:03:09,251 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:03:09,251 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:03:09,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:03:09,251 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:03:09,252 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_f306a278-e0a9-417e-a172-6c083a4b75ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f306a278-e0a9-417e-a172-6c083a4b75ae/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d [2021-10-28 09:03:09,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:03:09,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:03:09,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:03:09,540 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:03:09,540 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:03:09,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f306a278-e0a9-417e-a172-6c083a4b75ae/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2021-10-28 09:03:09,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f306a278-e0a9-417e-a172-6c083a4b75ae/bin/uautomizer-UnR33cPsHg/data/acf5b5081/001b57c6c3944e3d8b0342326e309080/FLAGfead428ef [2021-10-28 09:03:10,534 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:03:10,535 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f306a278-e0a9-417e-a172-6c083a4b75ae/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2021-10-28 09:03:10,591 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f306a278-e0a9-417e-a172-6c083a4b75ae/bin/uautomizer-UnR33cPsHg/data/acf5b5081/001b57c6c3944e3d8b0342326e309080/FLAGfead428ef [2021-10-28 09:03:10,993 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f306a278-e0a9-417e-a172-6c083a4b75ae/bin/uautomizer-UnR33cPsHg/data/acf5b5081/001b57c6c3944e3d8b0342326e309080 [2021-10-28 09:03:10,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:03:10,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:03:10,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:03:10,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:03:11,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:03:11,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:03:10" (1/1) ... [2021-10-28 09:03:11,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3132b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:03:11, skipping insertion in model container [2021-10-28 09:03:11,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:03:10" (1/1) ... [2021-10-28 09:03:11,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:03:11,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:03:11,421 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_f306a278-e0a9-417e-a172-6c083a4b75ae/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i[4501,4514] [2021-10-28 09:03:11,428 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_f306a278-e0a9-417e-a172-6c083a4b75ae/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i[4561,4574] [2021-10-28 09:03:11,453 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-28 09:03:11,459 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-28 09:03:12,601 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:12,602 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:12,603 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:12,604 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:12,605 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:12,624 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:12,625 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:12,627 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:12,628 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:13,160 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-28 09:03:13,162 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-28 09:03:13,171 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-28 09:03:13,173 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-28 09:03:13,182 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-28 09:03:13,183 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-28 09:03:13,183 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-28 09:03:13,184 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-28 09:03:13,185 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-28 09:03:13,197 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-28 09:03:13,420 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-28 09:03:13,515 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:13,516 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:13,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:03:13,696 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:03:13,728 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_f306a278-e0a9-417e-a172-6c083a4b75ae/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i[4501,4514] [2021-10-28 09:03:13,731 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_f306a278-e0a9-417e-a172-6c083a4b75ae/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i[4561,4574] [2021-10-28 09:03:13,733 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-28 09:03:13,740 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-28 09:03:13,816 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:13,817 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:13,817 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:13,818 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:13,819 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:13,828 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:13,828 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:13,830 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:13,831 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:13,874 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-28 09:03:13,875 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-28 09:03:13,876 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-28 09:03:13,877 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-28 09:03:13,879 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-28 09:03:13,879 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-28 09:03:13,880 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-28 09:03:13,881 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-28 09:03:13,881 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-28 09:03:13,882 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-28 09:03:13,910 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-28 09:03:14,061 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:14,062 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 09:03:14,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:03:14,528 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:03:14,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:03:14 WrapperNode [2021-10-28 09:03:14,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:03:14,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:03:14,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:03:14,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:03:14,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:03:14" (1/1) ... [2021-10-28 09:03:14,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:03:14" (1/1) ... [2021-10-28 09:03:14,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:03:14,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:03:14,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:03:14,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:03:14,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:03:14" (1/1) ... [2021-10-28 09:03:14,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:03:14" (1/1) ... [2021-10-28 09:03:14,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:03:14" (1/1) ... [2021-10-28 09:03:14,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:03:14" (1/1) ... [2021-10-28 09:03:14,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:03:14" (1/1) ... [2021-10-28 09:03:14,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:03:14" (1/1) ... [2021-10-28 09:03:14,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:03:14" (1/1) ... [2021-10-28 09:03:14,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:03:14,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:03:14,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:03:14,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:03:14,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:03:14" (1/1) ... [2021-10-28 09:03:15,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:03:15,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f306a278-e0a9-417e-a172-6c083a4b75ae/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:03:15,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f306a278-e0a9-417e-a172-6c083a4b75ae/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:03:15,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f306a278-e0a9-417e-a172-6c083a4b75ae/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:03:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:03:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:03:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:03:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:03:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:03:15,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:03:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 09:03:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:03:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 09:03:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 09:03:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:03:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:03:26,584 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:03:26,585 INFO L299 CfgBuilder]: Removed 64 assume(true) statements. [2021-10-28 09:03:26,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:03:26 BoogieIcfgContainer [2021-10-28 09:03:26,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:03:26,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:03:26,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:03:26,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:03:26,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:03:10" (1/3) ... [2021-10-28 09:03:26,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479582e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:03:26, skipping insertion in model container [2021-10-28 09:03:26,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:03:14" (2/3) ... [2021-10-28 09:03:26,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479582e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:03:26, skipping insertion in model container [2021-10-28 09:03:26,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:03:26" (3/3) ... [2021-10-28 09:03:26,597 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness.i [2021-10-28 09:03:26,603 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:03:26,604 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-10-28 09:03:26,655 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:03:26,661 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 09:03:26,661 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-28 09:03:26,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 88 states have (on average 1.4318181818181819) internal successors, (126), 95 states have internal predecessors, (126), 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 09:03:26,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-28 09:03:26,684 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:03:26,685 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] [2021-10-28 09:03:26,685 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-10-28 09:03:26,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:03:26,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1013887435, now seen corresponding path program 1 times [2021-10-28 09:03:26,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:03:26,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500499742] [2021-10-28 09:03:26,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:03:26,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:03:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:03:27,481 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 09:03:27,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:03:27,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500499742] [2021-10-28 09:03:27,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500499742] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:03:27,483 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:03:27,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:03:27,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285466996] [2021-10-28 09:03:27,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:03:27,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:03:27,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:03:27,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:03:27,517 INFO L87 Difference]: Start difference. First operand has 96 states, 88 states have (on average 1.4318181818181819) internal successors, (126), 95 states have internal predecessors, (126), 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 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 09:03:27,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:03:27,555 INFO L93 Difference]: Finished difference Result 188 states and 247 transitions. [2021-10-28 09:03:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:03:27,557 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 35 [2021-10-28 09:03:27,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:03:27,568 INFO L225 Difference]: With dead ends: 188 [2021-10-28 09:03:27,568 INFO L226 Difference]: Without dead ends: 90 [2021-10-28 09:03:27,572 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 09:03:27,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-10-28 09:03:27,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2021-10-28 09:03:27,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 83 states have (on average 1.2771084337349397) internal successors, (106), 89 states have internal predecessors, (106), 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 09:03:27,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 106 transitions. [2021-10-28 09:03:27,610 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 106 transitions. Word has length 35 [2021-10-28 09:03:27,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:03:27,611 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 106 transitions. [2021-10-28 09:03:27,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 09:03:27,612 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 106 transitions. [2021-10-28 09:03:27,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-28 09:03:27,613 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:03:27,613 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] [2021-10-28 09:03:27,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:03:27,614 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-10-28 09:03:27,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:03:27,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1082279499, now seen corresponding path program 1 times [2021-10-28 09:03:27,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:03:27,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924635989] [2021-10-28 09:03:27,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:03:27,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:03:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:03:28,024 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 09:03:28,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:03:28,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924635989] [2021-10-28 09:03:28,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924635989] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:03:28,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:03:28,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:03:28,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748704085] [2021-10-28 09:03:28,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:03:28,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:03:28,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:03:28,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:03:28,032 INFO L87 Difference]: Start difference. First operand 90 states and 106 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 09:03:28,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:03:28,099 INFO L93 Difference]: Finished difference Result 140 states and 162 transitions. [2021-10-28 09:03:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:03:28,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2021-10-28 09:03:28,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:03:28,103 INFO L225 Difference]: With dead ends: 140 [2021-10-28 09:03:28,104 INFO L226 Difference]: Without dead ends: 90 [2021-10-28 09:03:28,105 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:03:28,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-10-28 09:03:28,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2021-10-28 09:03:28,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 89 states have internal predecessors, (105), 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 09:03:28,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 105 transitions. [2021-10-28 09:03:28,119 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 105 transitions. Word has length 35 [2021-10-28 09:03:28,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:03:28,120 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 105 transitions. [2021-10-28 09:03:28,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 09:03:28,120 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2021-10-28 09:03:28,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-28 09:03:28,123 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:03:28,123 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] [2021-10-28 09:03:28,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:03:28,124 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-10-28 09:03:28,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:03:28,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1002728890, now seen corresponding path program 1 times [2021-10-28 09:03:28,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:03:28,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364248261] [2021-10-28 09:03:28,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:03:28,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:03:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:03:29,083 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 09:03:29,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:03:29,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364248261] [2021-10-28 09:03:29,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364248261] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:03:29,084 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:03:29,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:03:29,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936593181] [2021-10-28 09:03:29,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:03:29,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:03:29,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:03:29,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:03:29,087 INFO L87 Difference]: Start difference. First operand 90 states and 105 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 09:03:29,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:03:29,663 INFO L93 Difference]: Finished difference Result 133 states and 149 transitions. [2021-10-28 09:03:29,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:03:29,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 37 [2021-10-28 09:03:29,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:03:29,666 INFO L225 Difference]: With dead ends: 133 [2021-10-28 09:03:29,666 INFO L226 Difference]: Without dead ends: 129 [2021-10-28 09:03:29,667 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:03:29,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-10-28 09:03:29,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 98. [2021-10-28 09:03:29,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 91 states have (on average 1.2417582417582418) internal successors, (113), 97 states have internal predecessors, (113), 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 09:03:29,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 113 transitions. [2021-10-28 09:03:29,685 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 113 transitions. Word has length 37 [2021-10-28 09:03:29,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:03:29,685 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 113 transitions. [2021-10-28 09:03:29,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 09:03:29,686 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions. [2021-10-28 09:03:29,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-28 09:03:29,688 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:03:29,688 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] [2021-10-28 09:03:29,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:03:29,689 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-10-28 09:03:29,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:03:29,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1300883710, now seen corresponding path program 1 times [2021-10-28 09:03:29,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:03:29,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078850892] [2021-10-28 09:03:29,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:03:29,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:03:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:03:30,643 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 09:03:30,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:03:30,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078850892] [2021-10-28 09:03:30,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078850892] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:03:30,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:03:30,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:03:30,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983024315] [2021-10-28 09:03:30,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:03:30,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:03:30,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:03:30,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:03:30,647 INFO L87 Difference]: Start difference. First operand 98 states and 113 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 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 09:03:30,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:03:30,883 INFO L93 Difference]: Finished difference Result 98 states and 113 transitions. [2021-10-28 09:03:30,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:03:30,883 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 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 41 [2021-10-28 09:03:30,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:03:30,884 INFO L225 Difference]: With dead ends: 98 [2021-10-28 09:03:30,884 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:03:30,885 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 09:03:30,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:03:30,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:03:30,885 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 09:03:30,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:03:30,886 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-10-28 09:03:30,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:03:30,886 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:03:30,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 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 09:03:30,886 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:03:30,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:03:30,891 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:03:30,892 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:03:30,892 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:03:30,893 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:03:30,893 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:03:30,893 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:03:30,893 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:03:30,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:03:30,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:03:30,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:03:30,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:03:30,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:03:30,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:03:30,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:03:30,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:03:30,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:03:30,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:03:30,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:03:30,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:03:30,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:03:30,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:03:30,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:03:30,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:03:30,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:03:30,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:03:30,995 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 09:03:30,995 INFO L853 garLoopResultBuilder]: At program point L6890(lines 6889 6891) the Hoare annotation is: false [2021-10-28 09:03:30,995 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:03:30,996 INFO L857 garLoopResultBuilder]: For program point L7370(lines 7370 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,996 INFO L857 garLoopResultBuilder]: For program point L7370-4(lines 7370 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,996 INFO L853 garLoopResultBuilder]: At program point L7370-3(lines 7368 7372) the Hoare annotation is: false [2021-10-28 09:03:30,996 INFO L857 garLoopResultBuilder]: For program point L7370-2(lines 7370 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,996 INFO L853 garLoopResultBuilder]: At program point L7370-7(lines 7368 7372) the Hoare annotation is: false [2021-10-28 09:03:30,996 INFO L857 garLoopResultBuilder]: For program point L7370-6(lines 7370 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,996 INFO L857 garLoopResultBuilder]: For program point L7371(line 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,996 INFO L853 garLoopResultBuilder]: At program point L9518(lines 9516 9519) the Hoare annotation is: false [2021-10-28 09:03:30,997 INFO L857 garLoopResultBuilder]: For program point L7371-5(line 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,997 INFO L857 garLoopResultBuilder]: For program point L7371-4(line 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,997 INFO L857 garLoopResultBuilder]: For program point L7371-2(line 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,997 INFO L857 garLoopResultBuilder]: For program point L7371-8(line 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,997 INFO L857 garLoopResultBuilder]: For program point L7371-6(line 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,998 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 09:03:30,998 INFO L857 garLoopResultBuilder]: For program point L7371-12(line 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,998 INFO L857 garLoopResultBuilder]: For program point L7371-11(line 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,998 INFO L857 garLoopResultBuilder]: For program point L7371-10(line 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,998 INFO L857 garLoopResultBuilder]: For program point L6810(lines 6810 6811) no Hoare annotation was computed. [2021-10-28 09:03:30,998 INFO L857 garLoopResultBuilder]: For program point L7371-17(line 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,999 INFO L857 garLoopResultBuilder]: For program point L7371-16(line 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,999 INFO L857 garLoopResultBuilder]: For program point L7371-14(line 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,999 INFO L857 garLoopResultBuilder]: For program point L7371-20(line 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,999 INFO L857 garLoopResultBuilder]: For program point L6810-2(lines 6810 6811) no Hoare annotation was computed. [2021-10-28 09:03:30,999 INFO L857 garLoopResultBuilder]: For program point L7371-18(line 7371) no Hoare annotation was computed. [2021-10-28 09:03:30,999 INFO L857 garLoopResultBuilder]: For program point L7371-23(line 7371) no Hoare annotation was computed. [2021-10-28 09:03:31,000 INFO L857 garLoopResultBuilder]: For program point L7371-22(line 7371) no Hoare annotation was computed. [2021-10-28 09:03:31,000 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-10-28 09:03:31,000 INFO L857 garLoopResultBuilder]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2021-10-28 09:03:31,000 INFO L857 garLoopResultBuilder]: For program point L9537(lines 9537 9545) no Hoare annotation was computed. [2021-10-28 09:03:31,000 INFO L857 garLoopResultBuilder]: For program point L222-2(lines 222 224) no Hoare annotation was computed. [2021-10-28 09:03:31,000 INFO L857 garLoopResultBuilder]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2021-10-28 09:03:31,001 INFO L857 garLoopResultBuilder]: For program point L222-4(lines 222 224) no Hoare annotation was computed. [2021-10-28 09:03:31,001 INFO L857 garLoopResultBuilder]: For program point L222-5(lines 7101 7111) no Hoare annotation was computed. [2021-10-28 09:03:31,001 INFO L857 garLoopResultBuilder]: For program point L222-6(lines 222 224) no Hoare annotation was computed. [2021-10-28 09:03:31,001 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:03:31,001 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,001 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,002 INFO L857 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,002 INFO L857 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,002 INFO L857 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,002 INFO L857 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,002 INFO L857 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,002 INFO L857 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,003 INFO L857 garLoopResultBuilder]: For program point L223-12(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,003 INFO L857 garLoopResultBuilder]: For program point L223-13(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,003 INFO L857 garLoopResultBuilder]: For program point L223-15(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,003 INFO L857 garLoopResultBuilder]: For program point L223-16(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,003 INFO L857 garLoopResultBuilder]: For program point L223-18(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,003 INFO L857 garLoopResultBuilder]: For program point L223-19(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,004 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,004 INFO L853 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: false [2021-10-28 09:03:31,004 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,004 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:03:31,004 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:03:31,004 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:03:31,005 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:03:31,005 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:03:31,005 INFO L857 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:03:31,005 INFO L857 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-10-28 09:03:31,005 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,005 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-28 09:03:31,006 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-10-28 09:03:31,006 INFO L857 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2021-10-28 09:03:31,006 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-10-28 09:03:31,006 INFO L857 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2021-10-28 09:03:31,006 INFO L857 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2021-10-28 09:03:31,006 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-10-28 09:03:31,007 INFO L853 garLoopResultBuilder]: At program point L6256-6(lines 6252 6257) the Hoare annotation is: false [2021-10-28 09:03:31,007 INFO L857 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2021-10-28 09:03:31,007 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-10-28 09:03:31,007 INFO L857 garLoopResultBuilder]: For program point L6256-9(line 6256) no Hoare annotation was computed. [2021-10-28 09:03:31,007 INFO L857 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-10-28 09:03:31,007 INFO L857 garLoopResultBuilder]: For program point L6256-10(line 6256) no Hoare annotation was computed. [2021-10-28 09:03:31,007 INFO L857 garLoopResultBuilder]: For program point L6256-7(line 6256) no Hoare annotation was computed. [2021-10-28 09:03:31,008 INFO L853 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: false [2021-10-28 09:03:31,008 INFO L853 garLoopResultBuilder]: At program point L6256-13(lines 6252 6257) the Hoare annotation is: false [2021-10-28 09:03:31,008 INFO L857 garLoopResultBuilder]: For program point L6256-14(line 6256) no Hoare annotation was computed. [2021-10-28 09:03:31,008 INFO L857 garLoopResultBuilder]: For program point L6256-12(line 6256) no Hoare annotation was computed. [2021-10-28 09:03:31,008 INFO L857 garLoopResultBuilder]: For program point L6256-17(line 6256) no Hoare annotation was computed. [2021-10-28 09:03:31,008 INFO L857 garLoopResultBuilder]: For program point L6256-16(line 6256) no Hoare annotation was computed. [2021-10-28 09:03:31,009 INFO L857 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2021-10-28 09:03:31,009 INFO L857 garLoopResultBuilder]: For program point L6256-19(line 6256) no Hoare annotation was computed. [2021-10-28 09:03:31,009 INFO L853 garLoopResultBuilder]: At program point L6256-20(lines 6252 6257) the Hoare annotation is: false [2021-10-28 09:03:31,009 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,009 INFO L853 garLoopResultBuilder]: At program point L6803(lines 6800 6804) the Hoare annotation is: false [2021-10-28 09:03:31,009 INFO L853 garLoopResultBuilder]: At program point L6886(lines 6882 6887) the Hoare annotation is: false [2021-10-28 09:03:31,010 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:03:31,010 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 09:03:31,010 INFO L853 garLoopResultBuilder]: At program point L8241(lines 8235 8242) the Hoare annotation is: false [2021-10-28 09:03:31,010 INFO L860 garLoopResultBuilder]: At program point L9546(line 9546) the Hoare annotation is: true [2021-10-28 09:03:31,010 INFO L853 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= 16 ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) [2021-10-28 09:03:31,010 INFO L853 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: false [2021-10-28 09:03:31,011 INFO L853 garLoopResultBuilder]: At program point L6245(lines 6242 6246) the Hoare annotation is: false [2021-10-28 09:03:31,014 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-10-28 09:03:31,016 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:03:31,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:03:31 BoogieIcfgContainer [2021-10-28 09:03:31,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:03:31,029 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:03:31,029 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:03:31,030 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:03:31,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:03:26" (3/4) ... [2021-10-28 09:03:31,034 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:03:31,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 134 nodes and edges [2021-10-28 09:03:31,063 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2021-10-28 09:03:31,065 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-10-28 09:03:31,068 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-28 09:03:31,071 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-28 09:03:31,073 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-28 09:03:31,075 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:03:31,078 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:03:32,015 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f306a278-e0a9-417e-a172-6c083a4b75ae/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:03:32,015 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:03:32,017 INFO L168 Benchmark]: Toolchain (without parser) took 21018.69 ms. Allocated memory was 109.1 MB in the beginning and 518.0 MB in the end (delta: 408.9 MB). Free memory was 81.0 MB in the beginning and 231.7 MB in the end (delta: -150.8 MB). Peak memory consumption was 361.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:03:32,017 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory was 56.6 MB in the beginning and 56.6 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:03:32,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3530.33 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 81.0 MB in the beginning and 71.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:03:32,018 INFO L168 Benchmark]: Boogie Procedure Inliner took 297.78 ms. Allocated memory is still 138.4 MB. Free memory was 71.4 MB in the beginning and 58.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:03:32,019 INFO L168 Benchmark]: Boogie Preprocessor took 163.28 ms. Allocated memory is still 138.4 MB. Free memory was 58.2 MB in the beginning and 50.5 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:03:32,019 INFO L168 Benchmark]: RCFGBuilder took 11594.36 ms. Allocated memory was 138.4 MB in the beginning and 518.0 MB in the end (delta: 379.6 MB). Free memory was 50.5 MB in the beginning and 269.8 MB in the end (delta: -219.4 MB). Peak memory consumption was 285.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:03:32,019 INFO L168 Benchmark]: TraceAbstraction took 4439.26 ms. Allocated memory is still 518.0 MB. Free memory was 269.8 MB in the beginning and 447.1 MB in the end (delta: -177.2 MB). Peak memory consumption was 122.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:03:32,020 INFO L168 Benchmark]: Witness Printer took 985.98 ms. Allocated memory is still 518.0 MB. Free memory was 447.1 MB in the beginning and 231.7 MB in the end (delta: 215.3 MB). Peak memory consumption was 320.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:03:32,022 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory was 56.6 MB in the beginning and 56.6 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3530.33 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 81.0 MB in the beginning and 71.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 297.78 ms. Allocated memory is still 138.4 MB. Free memory was 71.4 MB in the beginning and 58.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 163.28 ms. Allocated memory is still 138.4 MB. Free memory was 58.2 MB in the beginning and 50.5 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11594.36 ms. Allocated memory was 138.4 MB in the beginning and 518.0 MB in the end (delta: 379.6 MB). Free memory was 50.5 MB in the beginning and 269.8 MB in the end (delta: -219.4 MB). Peak memory consumption was 285.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4439.26 ms. Allocated memory is still 518.0 MB. Free memory was 269.8 MB in the beginning and 447.1 MB in the end (delta: -177.2 MB). Peak memory consumption was 122.7 MB. Max. memory is 16.1 GB. * Witness Printer took 985.98 ms. Allocated memory is still 518.0 MB. Free memory was 447.1 MB in the beginning and 231.7 MB in the end (delta: 215.3 MB). Peak memory consumption was 320.2 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 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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, 96 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 336 SDtfs, 95 SDslu, 460 SDs, 0 SdLazy, 97 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 4 MinimizatonAttempts, 31 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 16 PreInvPairs, 17 NumberOfFragments, 18 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 7 specifications checked. All of them hold - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9546]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 16 == max_size - InvariantResult [Line: 9516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: 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 09:03:32,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f306a278-e0a9-417e-a172-6c083a4b75ae/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...