./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b64b813c3d856efe8cd859d380d09d4b682c371a0a165a5a5fe0d11dc206dad7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:30:36,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:30:36,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:30:36,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:30:36,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:30:36,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:30:36,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:30:36,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:30:36,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:30:36,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:30:36,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:30:36,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:30:36,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:30:36,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:30:36,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:30:36,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:30:36,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:30:36,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:30:36,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:30:37,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:30:37,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:30:37,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:30:37,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:30:37,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:30:37,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:30:37,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:30:37,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:30:37,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:30:37,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:30:37,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:30:37,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:30:37,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:30:37,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:30:37,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:30:37,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:30:37,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:30:37,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:30:37,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:30:37,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:30:37,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:30:37,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:30:37,038 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:30:37,087 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:30:37,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:30:37,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:30:37,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:30:37,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:30:37,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:30:37,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:30:37,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:30:37,108 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:30:37,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:30:37,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:30:37,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:30:37,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:30:37,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:30:37,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:30:37,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:30:37,112 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:30:37,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:30:37,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:30:37,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:30:37,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:30:37,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:30:37,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:30:37,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:30:37,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:30:37,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:30:37,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:30:37,120 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:30:37,121 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:30:37,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:30:37,123 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_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b64b813c3d856efe8cd859d380d09d4b682c371a0a165a5a5fe0d11dc206dad7 [2022-11-02 20:30:37,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:30:37,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:30:37,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:30:37,591 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:30:37,592 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:30:37,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i [2022-11-02 20:30:37,678 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/data/b9eb81502/b2c3338546a749f9a19d63dc9ac3dff5/FLAG9978159ed [2022-11-02 20:30:38,998 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:30:38,999 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i [2022-11-02 20:30:39,056 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/data/b9eb81502/b2c3338546a749f9a19d63dc9ac3dff5/FLAG9978159ed [2022-11-02 20:30:39,204 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/data/b9eb81502/b2c3338546a749f9a19d63dc9ac3dff5 [2022-11-02 20:30:39,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:30:39,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:30:39,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:30:39,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:30:39,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:30:39,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:39" (1/1) ... [2022-11-02 20:30:39,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31491ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:39, skipping insertion in model container [2022-11-02 20:30:39,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:39" (1/1) ... [2022-11-02 20:30:39,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:30:39,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:30:39,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4493,4506] [2022-11-02 20:30:39,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4553,4566] [2022-11-02 20:30:41,154 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:41,155 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:41,156 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:41,158 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:41,160 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:41,180 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:41,181 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:41,184 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:41,185 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:41,906 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 20:30:41,908 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 20:30:41,910 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 20:30:41,918 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 20:30:41,926 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 20:30:41,929 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 20:30:41,936 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 20:30:41,937 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 20:30:41,940 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 20:30:41,944 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 20:30:42,281 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 20:30:42,522 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:42,523 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:42,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:30:42,634 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:30:42,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4493,4506] [2022-11-02 20:30:42,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4553,4566] [2022-11-02 20:30:42,768 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:42,770 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:42,770 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:42,773 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:42,775 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:42,799 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:42,801 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:42,805 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:42,813 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:42,876 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 20:30:42,877 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 20:30:42,879 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 20:30:42,889 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 20:30:42,892 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 20:30:42,893 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 20:30:42,894 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 20:30:42,895 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 20:30:42,898 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 20:30:42,900 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 20:30:42,942 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 20:30:43,129 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:43,130 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:30:43,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:30:43,558 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:30:43,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43 WrapperNode [2022-11-02 20:30:43,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:30:43,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:30:43,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:30:43,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:30:43,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,859 INFO L138 Inliner]: procedures = 681, calls = 2272, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 391 [2022-11-02 20:30:43,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:30:43,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:30:43,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:30:43,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:30:43,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,972 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:30:44,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:30:44,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:30:44,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:30:44,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:44,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:30:44,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:44,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:44,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:30:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2022-11-02 20:30:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2022-11-02 20:30:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-02 20:30:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-02 20:30:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-11-02 20:30:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-11-02 20:30:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-02 20:30:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-02 20:30:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:30:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-02 20:30:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-02 20:30:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:30:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:30:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:30:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:30:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:30:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-02 20:30:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-02 20:30:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:30:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:30:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:30:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-02 20:30:44,144 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-02 20:30:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-02 20:30:44,144 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-02 20:30:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:30:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:30:44,531 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:30:44,561 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:30:45,308 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:30:45,317 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:30:45,318 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:30:45,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:45 BoogieIcfgContainer [2022-11-02 20:30:45,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:30:45,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:30:45,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:30:45,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:30:45,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:30:39" (1/3) ... [2022-11-02 20:30:45,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee53ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:45, skipping insertion in model container [2022-11-02 20:30:45,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (2/3) ... [2022-11-02 20:30:45,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee53ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:45, skipping insertion in model container [2022-11-02 20:30:45,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:45" (3/3) ... [2022-11-02 20:30:45,332 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_c_str_harness.i [2022-11-02 20:30:45,356 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:30:45,356 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:30:45,425 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:30:45,433 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7e09a496, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:30:45,433 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:30:45,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 71 states have internal predecessors, (87), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-11-02 20:30:45,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-02 20:30:45,453 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:45,454 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:45,455 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:45,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:45,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1676862830, now seen corresponding path program 1 times [2022-11-02 20:30:45,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:45,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291206260] [2022-11-02 20:30:45,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:45,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:45,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:45,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:30:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:45,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:30:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:45,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:30:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:46,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:30:46,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:46,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291206260] [2022-11-02 20:30:46,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291206260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:46,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:46,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:30:46,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805520875] [2022-11-02 20:30:46,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:46,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:30:46,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:46,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:30:46,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:30:46,102 INFO L87 Difference]: Start difference. First operand has 107 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 71 states have internal predecessors, (87), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:30:46,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:46,192 INFO L93 Difference]: Finished difference Result 205 states and 281 transitions. [2022-11-02 20:30:46,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:30:46,196 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2022-11-02 20:30:46,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:46,213 INFO L225 Difference]: With dead ends: 205 [2022-11-02 20:30:46,213 INFO L226 Difference]: Without dead ends: 101 [2022-11-02 20:30:46,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:30:46,238 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:46,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:30:46,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-02 20:30:46,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-11-02 20:30:46,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 66 states have internal predecessors, (77), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-02 20:30:46,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 128 transitions. [2022-11-02 20:30:46,322 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 128 transitions. Word has length 36 [2022-11-02 20:30:46,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:46,324 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 128 transitions. [2022-11-02 20:30:46,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:30:46,324 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 128 transitions. [2022-11-02 20:30:46,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-02 20:30:46,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:46,331 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:46,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:30:46,332 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:46,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:46,334 INFO L85 PathProgramCache]: Analyzing trace with hash -12080912, now seen corresponding path program 1 times [2022-11-02 20:30:46,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:46,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442596062] [2022-11-02 20:30:46,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:46,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:46,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:46,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:30:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:46,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:30:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:46,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:30:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:46,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:30:46,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:46,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442596062] [2022-11-02 20:30:46,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442596062] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:46,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:46,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:30:46,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641616993] [2022-11-02 20:30:46,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:46,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:30:46,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:46,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:30:46,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:30:46,895 INFO L87 Difference]: Start difference. First operand 101 states and 128 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-02 20:30:46,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:46,978 INFO L93 Difference]: Finished difference Result 148 states and 186 transitions. [2022-11-02 20:30:46,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:30:46,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 36 [2022-11-02 20:30:46,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:46,983 INFO L225 Difference]: With dead ends: 148 [2022-11-02 20:30:46,983 INFO L226 Difference]: Without dead ends: 101 [2022-11-02 20:30:46,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:30:46,989 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 6 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:46,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 380 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:30:46,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-02 20:30:47,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-11-02 20:30:47,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.1692307692307693) internal successors, (76), 66 states have internal predecessors, (76), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-02 20:30:47,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 127 transitions. [2022-11-02 20:30:47,020 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 127 transitions. Word has length 36 [2022-11-02 20:30:47,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:47,023 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 127 transitions. [2022-11-02 20:30:47,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-02 20:30:47,023 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 127 transitions. [2022-11-02 20:30:47,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-02 20:30:47,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:47,028 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:47,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:30:47,029 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:47,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:47,032 INFO L85 PathProgramCache]: Analyzing trace with hash 2108660913, now seen corresponding path program 1 times [2022-11-02 20:30:47,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:47,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306712355] [2022-11-02 20:30:47,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:47,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:47,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:47,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:30:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-02 20:30:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:47,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:30:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:47,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:47,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:47,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:30:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:47,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-02 20:30:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:47,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-02 20:30:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:47,775 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-02 20:30:47,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:47,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306712355] [2022-11-02 20:30:47,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306712355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:47,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:47,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 20:30:47,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142909879] [2022-11-02 20:30:47,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:47,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:30:47,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:47,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:30:47,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:30:47,779 INFO L87 Difference]: Start difference. First operand 101 states and 127 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-02 20:30:48,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:48,377 INFO L93 Difference]: Finished difference Result 138 states and 169 transitions. [2022-11-02 20:30:48,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:30:48,378 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 64 [2022-11-02 20:30:48,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:48,387 INFO L225 Difference]: With dead ends: 138 [2022-11-02 20:30:48,391 INFO L226 Difference]: Without dead ends: 101 [2022-11-02 20:30:48,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:30:48,396 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 89 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:48,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 454 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 20:30:48,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-02 20:30:48,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-11-02 20:30:48,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.1538461538461537) internal successors, (75), 66 states have internal predecessors, (75), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-02 20:30:48,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 126 transitions. [2022-11-02 20:30:48,430 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 126 transitions. Word has length 64 [2022-11-02 20:30:48,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:48,436 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 126 transitions. [2022-11-02 20:30:48,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-02 20:30:48,437 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2022-11-02 20:30:48,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-02 20:30:48,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:48,443 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:48,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:30:48,444 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:48,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:48,444 INFO L85 PathProgramCache]: Analyzing trace with hash -63104247, now seen corresponding path program 1 times [2022-11-02 20:30:48,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:48,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709718991] [2022-11-02 20:30:48,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:48,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:48,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:48,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:30:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:48,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-02 20:30:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:48,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:30:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:48,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:48,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:48,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:30:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-02 20:30:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:49,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 20:30:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:49,059 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-02 20:30:49,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:49,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709718991] [2022-11-02 20:30:49,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709718991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:49,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:49,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:30:49,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117170824] [2022-11-02 20:30:49,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:49,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:30:49,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:49,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:30:49,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:30:49,065 INFO L87 Difference]: Start difference. First operand 101 states and 126 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-02 20:30:49,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:49,475 INFO L93 Difference]: Finished difference Result 159 states and 199 transitions. [2022-11-02 20:30:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:30:49,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 65 [2022-11-02 20:30:49,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:49,478 INFO L225 Difference]: With dead ends: 159 [2022-11-02 20:30:49,479 INFO L226 Difference]: Without dead ends: 101 [2022-11-02 20:30:49,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:30:49,480 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 41 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:49,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 288 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:30:49,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-02 20:30:49,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-11-02 20:30:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.1384615384615384) internal successors, (74), 66 states have internal predecessors, (74), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-02 20:30:49,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 125 transitions. [2022-11-02 20:30:49,503 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 125 transitions. Word has length 65 [2022-11-02 20:30:49,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:49,504 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 125 transitions. [2022-11-02 20:30:49,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-02 20:30:49,505 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 125 transitions. [2022-11-02 20:30:49,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-02 20:30:49,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:49,513 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:49,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:30:49,514 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:49,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:49,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1726009102, now seen corresponding path program 1 times [2022-11-02 20:30:49,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:49,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840347680] [2022-11-02 20:30:49,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:49,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:50,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:30:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:30:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:30:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 20:30:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:30:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-02 20:30:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:30:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 20:30:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-02 20:30:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 20:30:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:51,984 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-02 20:30:51,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:51,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840347680] [2022-11-02 20:30:51,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840347680] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:30:51,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244047985] [2022-11-02 20:30:51,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:51,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:51,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:51,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:30:52,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:30:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:52,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-02 20:30:52,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:52,781 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-02 20:30:52,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:30:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-02 20:30:53,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244047985] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:30:53,053 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:30:53,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 11, 11] total 27 [2022-11-02 20:30:53,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944485194] [2022-11-02 20:30:53,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:30:53,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-02 20:30:53,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:53,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-02 20:30:53,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=642, Unknown=0, NotChecked=0, Total=702 [2022-11-02 20:30:53,057 INFO L87 Difference]: Start difference. First operand 101 states and 125 transitions. Second operand has 27 states, 25 states have (on average 3.12) internal successors, (78), 20 states have internal predecessors, (78), 10 states have call successors, (26), 4 states have call predecessors, (26), 7 states have return successors, (25), 13 states have call predecessors, (25), 10 states have call successors, (25) [2022-11-02 20:30:54,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:54,148 INFO L93 Difference]: Finished difference Result 116 states and 137 transitions. [2022-11-02 20:30:54,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:30:54,149 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 3.12) internal successors, (78), 20 states have internal predecessors, (78), 10 states have call successors, (26), 4 states have call predecessors, (26), 7 states have return successors, (25), 13 states have call predecessors, (25), 10 states have call successors, (25) Word has length 99 [2022-11-02 20:30:54,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:54,150 INFO L225 Difference]: With dead ends: 116 [2022-11-02 20:30:54,150 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:30:54,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=146, Invalid=1336, Unknown=0, NotChecked=0, Total=1482 [2022-11-02 20:30:54,152 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 58 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:54,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 316 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 20:30:54,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:30:54,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:30:54,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:54,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:30:54,157 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2022-11-02 20:30:54,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:54,157 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:30:54,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 3.12) internal successors, (78), 20 states have internal predecessors, (78), 10 states have call successors, (26), 4 states have call predecessors, (26), 7 states have return successors, (25), 13 states have call predecessors, (25), 10 states have call successors, (25) [2022-11-02 20:30:54,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:30:54,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:30:54,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:30:54,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:54,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:54,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:30:54,729 INFO L895 garLoopResultBuilder]: At program point L6816(lines 6807 6817) the Hoare annotation is: (and (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16))) [2022-11-02 20:30:54,729 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6801 6805) no Hoare annotation was computed. [2022-11-02 20:30:54,730 INFO L899 garLoopResultBuilder]: For program point L6811-1(lines 6811 6812) no Hoare annotation was computed. [2022-11-02 20:30:54,730 INFO L895 garLoopResultBuilder]: At program point L6811(line 6811) the Hoare annotation is: (and (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16))) [2022-11-02 20:30:54,730 INFO L899 garLoopResultBuilder]: For program point L6811-5(lines 6811 6812) no Hoare annotation was computed. [2022-11-02 20:30:54,730 INFO L899 garLoopResultBuilder]: For program point L6808-1(line 6808) no Hoare annotation was computed. [2022-11-02 20:30:54,732 INFO L895 garLoopResultBuilder]: At program point L6808(line 6808) the Hoare annotation is: (let ((.cse0 (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)))) (and (or (<= 0 (+ (* 18446744073709551616 (div (+ (* (- 1) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 15) 18446744073709551616)) (* (div |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) 18446744073709551616))) .cse0) (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (or (<= 0 (+ (div |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) (div (+ 15 (* (- 1) |ensure_string_is_allocated_bounded_length_~len~1#1|)) 18446744073709551616))) .cse0) (= |old(#valid)| |#valid|))) [2022-11-02 20:30:54,732 INFO L899 garLoopResultBuilder]: For program point L6811-3(line 6811) no Hoare annotation was computed. [2022-11-02 20:30:54,733 INFO L895 garLoopResultBuilder]: At program point L6811-2(line 6811) the Hoare annotation is: (and (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16))) [2022-11-02 20:30:54,734 INFO L895 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-11-02 20:30:54,735 INFO L899 garLoopResultBuilder]: For program point L6803-1(line 6803) no Hoare annotation was computed. [2022-11-02 20:30:54,735 INFO L895 garLoopResultBuilder]: At program point L6803(line 6803) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-11-02 20:30:54,736 INFO L895 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_lengthENTRY(lines 6801 6805) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-11-02 20:30:54,738 INFO L899 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2022-11-02 20:30:54,739 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6801 6805) no Hoare annotation was computed. [2022-11-02 20:30:54,739 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6883 6888) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-02 20:30:54,739 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6883 6888) no Hoare annotation was computed. [2022-11-02 20:30:54,739 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6883 6888) no Hoare annotation was computed. [2022-11-02 20:30:54,740 INFO L899 garLoopResultBuilder]: For program point L6884-1(lines 6884 6886) no Hoare annotation was computed. [2022-11-02 20:30:54,740 INFO L895 garLoopResultBuilder]: At program point L6884(lines 6884 6886) the Hoare annotation is: (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-02 20:30:54,740 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-11-02 20:30:54,740 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-02 20:30:54,740 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-02 20:30:54,741 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-11-02 20:30:54,741 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-02 20:30:54,741 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-02 20:30:54,741 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-02 20:30:54,741 INFO L899 garLoopResultBuilder]: For program point L8097(lines 8097 8101) no Hoare annotation was computed. [2022-11-02 20:30:54,742 INFO L899 garLoopResultBuilder]: For program point L8095-4(lines 8095 8108) no Hoare annotation was computed. [2022-11-02 20:30:54,743 INFO L902 garLoopResultBuilder]: At program point L8095-3(lines 8095 8108) the Hoare annotation is: true [2022-11-02 20:30:54,743 INFO L899 garLoopResultBuilder]: For program point L8095-2(lines 8095 8108) no Hoare annotation was computed. [2022-11-02 20:30:54,744 INFO L899 garLoopResultBuilder]: For program point aws_array_eq_c_strFINAL(lines 8078 8111) no Hoare annotation was computed. [2022-11-02 20:30:54,744 INFO L899 garLoopResultBuilder]: For program point L8083(lines 8083 8085) no Hoare annotation was computed. [2022-11-02 20:30:54,744 INFO L902 garLoopResultBuilder]: At program point L8080-1(line 8080) the Hoare annotation is: true [2022-11-02 20:30:54,744 INFO L902 garLoopResultBuilder]: At program point L8080(line 8080) the Hoare annotation is: true [2022-11-02 20:30:54,745 INFO L902 garLoopResultBuilder]: At program point aws_array_eq_c_strENTRY(lines 8078 8111) the Hoare annotation is: true [2022-11-02 20:30:54,745 INFO L899 garLoopResultBuilder]: For program point L8103(lines 8103 8107) no Hoare annotation was computed. [2022-11-02 20:30:54,745 INFO L899 garLoopResultBuilder]: For program point aws_array_eq_c_strEXIT(lines 8078 8111) no Hoare annotation was computed. [2022-11-02 20:30:54,745 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6890 6892) no Hoare annotation was computed. [2022-11-02 20:30:54,745 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6890 6892) no Hoare annotation was computed. [2022-11-02 20:30:54,746 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6890 6892) the Hoare annotation is: true [2022-11-02 20:30:54,746 INFO L902 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6253 6258) the Hoare annotation is: true [2022-11-02 20:30:54,746 INFO L899 garLoopResultBuilder]: For program point L6257-2(line 6257) no Hoare annotation was computed. [2022-11-02 20:30:54,746 INFO L899 garLoopResultBuilder]: For program point L6257-3(line 6257) no Hoare annotation was computed. [2022-11-02 20:30:54,746 INFO L899 garLoopResultBuilder]: For program point L6257(line 6257) no Hoare annotation was computed. [2022-11-02 20:30:54,747 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6253 6258) no Hoare annotation was computed. [2022-11-02 20:30:54,747 INFO L899 garLoopResultBuilder]: For program point L6257-5(line 6257) no Hoare annotation was computed. [2022-11-02 20:30:54,747 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6253 6258) no Hoare annotation was computed. [2022-11-02 20:30:54,747 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-11-02 20:30:54,747 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-11-02 20:30:54,748 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-11-02 20:30:54,748 INFO L902 garLoopResultBuilder]: At program point L8925(line 8925) the Hoare annotation is: true [2022-11-02 20:30:54,748 INFO L899 garLoopResultBuilder]: For program point L7579(line 7579) no Hoare annotation was computed. [2022-11-02 20:30:54,748 INFO L899 garLoopResultBuilder]: For program point L7100(lines 7100 7113) no Hoare annotation was computed. [2022-11-02 20:30:54,749 INFO L899 garLoopResultBuilder]: For program point L7579-5(line 7579) no Hoare annotation was computed. [2022-11-02 20:30:54,749 INFO L895 garLoopResultBuilder]: At program point L7579-4(line 7579) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_aws_string_eq_c_str_~c_str#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.offset| 0))) [2022-11-02 20:30:54,749 INFO L899 garLoopResultBuilder]: For program point L7579-3(line 7579) no Hoare annotation was computed. [2022-11-02 20:30:54,749 INFO L895 garLoopResultBuilder]: At program point L7579-2(line 7579) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_aws_string_eq_c_str_~c_str#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.offset| 0))) [2022-11-02 20:30:54,750 INFO L895 garLoopResultBuilder]: At program point L8921(line 8921) the Hoare annotation is: false [2022-11-02 20:30:54,750 INFO L899 garLoopResultBuilder]: For program point L8921-1(line 8921) no Hoare annotation was computed. [2022-11-02 20:30:54,750 INFO L899 garLoopResultBuilder]: For program point L6820-1(line 6820) no Hoare annotation was computed. [2022-11-02 20:30:54,750 INFO L895 garLoopResultBuilder]: At program point L6820(line 6820) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2022-11-02 20:30:54,750 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:30:54,751 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:30:54,751 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:30:54,751 INFO L899 garLoopResultBuilder]: For program point L7580(lines 7580 7588) no Hoare annotation was computed. [2022-11-02 20:30:54,751 INFO L899 garLoopResultBuilder]: For program point L7101-1(lines 7100 7113) no Hoare annotation was computed. [2022-11-02 20:30:54,751 INFO L895 garLoopResultBuilder]: At program point L7101(line 7101) the Hoare annotation is: false [2022-11-02 20:30:54,752 INFO L899 garLoopResultBuilder]: For program point L8918(lines 8918 8923) no Hoare annotation was computed. [2022-11-02 20:30:54,752 INFO L895 garLoopResultBuilder]: At program point L6821-1(line 6821) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2022-11-02 20:30:54,752 INFO L895 garLoopResultBuilder]: At program point L6821(line 6821) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2022-11-02 20:30:54,752 INFO L899 garLoopResultBuilder]: For program point L7589(lines 7589 7597) no Hoare annotation was computed. [2022-11-02 20:30:54,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:30:54,753 INFO L895 garLoopResultBuilder]: At program point L6272(lines 6263 6273) the Hoare annotation is: false [2022-11-02 20:30:54,753 INFO L899 garLoopResultBuilder]: For program point L8919-2(line 8919) no Hoare annotation was computed. [2022-11-02 20:30:54,753 INFO L895 garLoopResultBuilder]: At program point L8915(line 8915) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2022-11-02 20:30:54,753 INFO L899 garLoopResultBuilder]: For program point L8915-1(lines 8915 8916) no Hoare annotation was computed. [2022-11-02 20:30:54,754 INFO L895 garLoopResultBuilder]: At program point L8919(line 8919) the Hoare annotation is: false [2022-11-02 20:30:54,754 INFO L895 garLoopResultBuilder]: At program point L8919-1(line 8919) the Hoare annotation is: false [2022-11-02 20:30:54,755 INFO L895 garLoopResultBuilder]: At program point L7598(line 7598) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_aws_string_eq_c_str_~c_str#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.offset| 0))) [2022-11-02 20:30:54,755 INFO L895 garLoopResultBuilder]: At program point L6826(line 6826) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2022-11-02 20:30:54,755 INFO L899 garLoopResultBuilder]: For program point L8915-3(lines 8915 8916) no Hoare annotation was computed. [2022-11-02 20:30:54,755 INFO L895 garLoopResultBuilder]: At program point L7598-2(lines 7577 7599) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_aws_string_eq_c_str_~c_str#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.offset| 0))) [2022-11-02 20:30:54,756 INFO L899 garLoopResultBuilder]: For program point L8911(lines 8911 8924) no Hoare annotation was computed. [2022-11-02 20:30:54,756 INFO L899 garLoopResultBuilder]: For program point L7598-1(line 7598) no Hoare annotation was computed. [2022-11-02 20:30:54,757 INFO L899 garLoopResultBuilder]: For program point L6822(line 6822) no Hoare annotation was computed. [2022-11-02 20:30:54,758 INFO L899 garLoopResultBuilder]: For program point L7111-1(line 7111) no Hoare annotation was computed. [2022-11-02 20:30:54,758 INFO L895 garLoopResultBuilder]: At program point L7111(line 7111) the Hoare annotation is: false [2022-11-02 20:30:54,758 INFO L899 garLoopResultBuilder]: For program point L6826-1(line 6826) no Hoare annotation was computed. [2022-11-02 20:30:54,758 INFO L899 garLoopResultBuilder]: For program point L7107-1(line 7107) no Hoare annotation was computed. [2022-11-02 20:30:54,759 INFO L895 garLoopResultBuilder]: At program point L7107(line 7107) the Hoare annotation is: false [2022-11-02 20:30:54,759 INFO L895 garLoopResultBuilder]: At program point L8920(line 8920) the Hoare annotation is: false [2022-11-02 20:30:54,759 INFO L899 garLoopResultBuilder]: For program point L8920-1(line 8920) no Hoare annotation was computed. [2022-11-02 20:30:54,759 INFO L899 garLoopResultBuilder]: For program point L8912-3(line 8912) no Hoare annotation was computed. [2022-11-02 20:30:54,759 INFO L899 garLoopResultBuilder]: For program point L8912-5(lines 8912 8913) no Hoare annotation was computed. [2022-11-02 20:30:54,760 INFO L902 garLoopResultBuilder]: At program point L8912(line 8912) the Hoare annotation is: true [2022-11-02 20:30:54,760 INFO L895 garLoopResultBuilder]: At program point L6827(lines 6819 6828) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) [2022-11-02 20:30:54,760 INFO L899 garLoopResultBuilder]: For program point L8912-1(lines 8912 8913) no Hoare annotation was computed. [2022-11-02 20:30:54,760 INFO L902 garLoopResultBuilder]: At program point L8912-2(line 8912) the Hoare annotation is: true [2022-11-02 20:30:54,761 INFO L899 garLoopResultBuilder]: For program point L7108-1(lines 7108 7110) no Hoare annotation was computed. [2022-11-02 20:30:54,761 INFO L895 garLoopResultBuilder]: At program point L7108(lines 7108 7110) the Hoare annotation is: false [2022-11-02 20:30:54,761 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-02 20:30:54,762 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-02 20:30:54,762 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-02 20:30:54,762 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-02 20:30:54,762 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-02 20:30:54,762 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-02 20:30:54,766 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-02 20:30:54,769 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:30:54,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:30:54 BoogieIcfgContainer [2022-11-02 20:30:54,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:30:54,804 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:30:54,804 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:30:54,827 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:30:54,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:45" (3/4) ... [2022-11-02 20:30:54,831 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:30:54,839 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2022-11-02 20:30:54,840 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-02 20:30:54,840 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-11-02 20:30:54,840 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-02 20:30:54,841 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-02 20:30:54,841 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-02 20:30:54,841 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_eq_c_str [2022-11-02 20:30:54,841 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-02 20:30:54,841 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-11-02 20:30:54,861 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-11-02 20:30:54,863 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-02 20:30:54,863 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:30:54,864 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:30:54,910 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((str == 0 && !(str == 0)) && str == 0) && !(\result == 0) [2022-11-02 20:30:54,913 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(c_str == 0) && str == 0) && !(str == 0)) && str == 0) && !(\result == 0)) || (c_str == 0 && c_str == 0) [2022-11-02 20:30:54,914 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\old(max_size) == max_size || 16 == max_size) && !(str == 0)) && !(\result == 0)) && !(\old(max_size) == 16) [2022-11-02 20:30:55,110 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:30:55,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:30:55,111 INFO L158 Benchmark]: Toolchain (without parser) took 15901.31ms. Allocated memory was 113.2MB in the beginning and 234.9MB in the end (delta: 121.6MB). Free memory was 82.1MB in the beginning and 163.6MB in the end (delta: -81.5MB). Peak memory consumption was 135.4MB. Max. memory is 16.1GB. [2022-11-02 20:30:55,112 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 58.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:30:55,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4347.00ms. Allocated memory was 113.2MB in the beginning and 161.5MB in the end (delta: 48.2MB). Free memory was 82.1MB in the beginning and 113.1MB in the end (delta: -31.0MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2022-11-02 20:30:55,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 307.48ms. Allocated memory is still 161.5MB. Free memory was 113.1MB in the beginning and 104.5MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:30:55,113 INFO L158 Benchmark]: Boogie Preprocessor took 130.54ms. Allocated memory is still 161.5MB. Free memory was 104.5MB in the beginning and 99.4MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:30:55,113 INFO L158 Benchmark]: RCFGBuilder took 1321.11ms. Allocated memory is still 161.5MB. Free memory was 99.4MB in the beginning and 103.9MB in the end (delta: -4.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-02 20:30:55,114 INFO L158 Benchmark]: TraceAbstraction took 9479.75ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 103.9MB in the beginning and 71.4MB in the end (delta: 32.6MB). Peak memory consumption was 104.9MB. Max. memory is 16.1GB. [2022-11-02 20:30:55,115 INFO L158 Benchmark]: Witness Printer took 306.87ms. Allocated memory is still 234.9MB. Free memory was 71.4MB in the beginning and 163.6MB in the end (delta: -92.2MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2022-11-02 20:30:55,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 58.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4347.00ms. Allocated memory was 113.2MB in the beginning and 161.5MB in the end (delta: 48.2MB). Free memory was 82.1MB in the beginning and 113.1MB in the end (delta: -31.0MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 307.48ms. Allocated memory is still 161.5MB. Free memory was 113.1MB in the beginning and 104.5MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.54ms. Allocated memory is still 161.5MB. Free memory was 104.5MB in the beginning and 99.4MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1321.11ms. Allocated memory is still 161.5MB. Free memory was 99.4MB in the beginning and 103.9MB in the end (delta: -4.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9479.75ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 103.9MB in the beginning and 71.4MB in the end (delta: 32.6MB). Peak memory consumption was 104.9MB. Max. memory is 16.1GB. * Witness Printer took 306.87ms. Allocated memory is still 234.9MB. Free memory was 71.4MB in the beginning and 163.6MB in the end (delta: -92.2MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 5, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 208 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 194 mSDsluCounter, 1574 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1039 mSDsCounter, 128 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1086 IncrementalHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 128 mSolverCounterUnsat, 535 mSDtfsCounter, 1086 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 331 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 129 PreInvPairs, 152 NumberOfFragments, 390 HoareAnnotationTreeSize, 129 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 491 ConstructedInterpolants, 0 QuantifiedInterpolants, 1109 SizeOfPredicates, 7 NumberOfNonLiveVariables, 911 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 259/291 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: 8095]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7577]: Loop Invariant Derived loop invariant: ((((!(c_str == 0) && str == 0) && !(str == 0)) && str == 0) && !(\result == 0)) || (c_str == 0 && c_str == 0) - InvariantResult [Line: 6807]: Loop Invariant Derived loop invariant: (((\old(max_size) == max_size || 16 == max_size) && !(str == 0)) && !(\result == 0)) && !(\old(max_size) == 16) - InvariantResult [Line: 6819]: Loop Invariant Derived loop invariant: ((str == 0 && !(str == 0)) && str == 0) && !(\result == 0) RESULT: Ultimate proved your program to be correct! [2022-11-02 20:30:55,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74559aa6-d99a-4341-a172-7a5875a2f8b3/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE