./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/unreach-call.prp --file /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 87fd6ee1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 c266a66e04489d166fa8a41922803d8c88553dd6 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 c266a66e04489d166fa8a41922803d8c88553dd6 ........................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: TYPE ERROR --- Real Ultimate output --- This is Ultimate 0.2.1-87fd6ee [2020-12-04 18:45:53,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 18:45:53,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 18:45:53,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 18:45:53,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 18:45:53,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 18:45:53,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 18:45:53,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 18:45:53,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 18:45:53,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 18:45:53,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 18:45:53,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 18:45:53,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 18:45:53,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 18:45:53,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 18:45:53,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 18:45:53,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 18:45:53,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 18:45:53,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 18:45:53,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 18:45:53,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 18:45:53,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 18:45:53,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 18:45:53,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 18:45:53,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 18:45:53,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 18:45:53,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 18:45:53,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 18:45:53,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 18:45:53,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 18:45:53,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 18:45:53,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 18:45:53,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 18:45:53,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 18:45:53,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 18:45:53,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 18:45:53,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 18:45:53,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 18:45:53,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 18:45:53,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 18:45:53,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 18:45:53,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-04 18:45:53,904 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 18:45:53,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 18:45:53,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 18:45:53,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 18:45:53,908 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 18:45:53,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 18:45:53,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-04 18:45:53,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 18:45:53,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 18:45:53,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 18:45:53,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 18:45:53,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 18:45:53,910 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 18:45:53,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 18:45:53,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 18:45:53,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 18:45:53,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 18:45:53,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:45:53,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 18:45:53,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 18:45:53,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 18:45:53,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-04 18:45:53,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-04 18:45:53,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 18:45:53,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 18:45:53,913 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c266a66e04489d166fa8a41922803d8c88553dd6 [2020-12-04 18:45:54,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 18:45:54,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 18:45:54,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 18:45:54,564 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 18:45:54,565 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 18:45:54,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2020-12-04 18:45:54,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5bccb9ff/2b838c806d8c4b3caa57bcf044540648/FLAG2c2a20017 [2020-12-04 18:45:56,302 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 18:45:56,303 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2020-12-04 18:45:56,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5bccb9ff/2b838c806d8c4b3caa57bcf044540648/FLAG2c2a20017 [2020-12-04 18:45:56,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5bccb9ff/2b838c806d8c4b3caa57bcf044540648 [2020-12-04 18:45:56,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 18:45:56,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 18:45:56,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 18:45:56,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 18:45:56,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 18:45:56,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:45:56" (1/1) ... [2020-12-04 18:45:56,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e26828b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:56, skipping insertion in model container [2020-12-04 18:45:56,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:45:56" (1/1) ... [2020-12-04 18:45:56,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 18:45:56,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 18:45:57,176 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2020-12-04 18:45:57,190 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2020-12-04 18:45:57,248 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:45:57,261 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:45:59,343 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:59,344 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:59,345 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:59,347 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:59,348 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:59,382 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:59,383 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:59,386 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:59,387 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:00,362 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:46:00,364 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:46:00,366 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:46:00,368 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:46:00,370 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:46:00,372 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:46:00,373 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:46:00,377 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:46:00,378 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:46:00,379 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:46:00,791 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:46:01,095 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:01,097 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:01,933 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:01,934 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:01,979 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:01,980 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:01,993 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:01,994 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,021 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,024 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,025 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,025 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,026 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,027 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,027 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:46:02,182 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 18:46:02,206 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2020-12-04 18:46:02,207 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2020-12-04 18:46:02,210 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:46:02,212 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:46:02,278 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,279 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,279 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,281 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,285 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,304 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,305 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,307 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,308 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,404 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:46:02,406 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:46:02,407 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:46:02,408 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:46:02,409 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:46:02,410 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:46:02,410 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:46:02,411 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:46:02,412 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:46:02,412 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:46:02,450 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:46:02,604 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,605 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,847 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,848 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,863 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,864 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,873 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,874 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,897 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,903 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,904 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,907 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,908 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,909 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,914 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:02,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:46:04,673 INFO L208 MainTranslator]: Completed translation [2020-12-04 18:46:04,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:46:04 WrapperNode [2020-12-04 18:46:04,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 18:46:04,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 18:46:04,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 18:46:04,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 18:46:04,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:46:04" (1/1) ... [2020-12-04 18:46:04,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:46:04" (1/1) ... [2020-12-04 18:46:05,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 18:46:05,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-04 18:46:05,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-04 18:46:05,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-04 18:46:05,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:46:04" (1/1) ... [2020-12-04 18:46:05,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:46:04" (1/1) ... [2020-12-04 18:46:05,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:46:04" (1/1) ... [2020-12-04 18:46:05,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:46:04" (1/1) ... [2020-12-04 18:46:05,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:46:04" (1/1) ... [2020-12-04 18:46:05,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:46:04" (1/1) ... [2020-12-04 18:46:05,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:46:04" (1/1) ... [2020-12-04 18:46:05,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-04 18:46:05,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-04 18:46:05,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-04 18:46:05,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-04 18:46:05,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:46:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:46:05,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-04 18:46:05,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-04 18:46:05,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-04 18:46:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-04 18:46:05,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-04 18:46:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-04 18:46:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-04 18:46:06,254 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume !true; [2020-12-04 18:46:06,263 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-04 18:46:06,263 INFO L299 CfgBuilder]: Removed 60 assume(true) statements. [2020-12-04 18:46:06,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:46:06 BoogieIcfgContainer [2020-12-04 18:46:06,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-04 18:46:06,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-04 18:46:06,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-04 18:46:06,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-04 18:46:06,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.12 06:45:56" (1/3) ... [2020-12-04 18:46:06,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c17db5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:46:06, skipping insertion in model container [2020-12-04 18:46:06,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:46:04" (2/3) ... [2020-12-04 18:46:06,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c17db5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:46:06, skipping insertion in model container [2020-12-04 18:46:06,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:46:06" (3/3) ... [2020-12-04 18:46:06,275 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_c_str_eq_harness.i [2020-12-04 18:46:06,291 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-04 18:46:06,296 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-04 18:46:06,309 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-04 18:46:06,337 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-04 18:46:06,338 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-04 18:46:06,338 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-04 18:46:06,338 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-04 18:46:06,338 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-04 18:46:06,339 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-04 18:46:06,339 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-04 18:46:06,339 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-04 18:46:06,354 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-12-04 18:46:06,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-04 18:46:06,361 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:46:06,362 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:46:06,362 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:46:06,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:46:06,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1599795525, now seen corresponding path program 1 times [2020-12-04 18:46:06,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:46:06,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029163307] [2020-12-04 18:46:06,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:46:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:46:06,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:46:06,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029163307] [2020-12-04 18:46:06,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:46:06,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-04 18:46:06,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310118654] [2020-12-04 18:46:06,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-04 18:46:06,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:46:06,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-04 18:46:06,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 18:46:06,961 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2020-12-04 18:46:06,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:46:06,999 INFO L93 Difference]: Finished difference Result 106 states and 137 transitions. [2020-12-04 18:46:06,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-04 18:46:07,001 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2020-12-04 18:46:07,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:46:07,018 INFO L225 Difference]: With dead ends: 106 [2020-12-04 18:46:07,018 INFO L226 Difference]: Without dead ends: 50 [2020-12-04 18:46:07,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 18:46:07,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-12-04 18:46:07,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-12-04 18:46:07,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-12-04 18:46:07,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2020-12-04 18:46:07,087 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 25 [2020-12-04 18:46:07,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:46:07,088 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2020-12-04 18:46:07,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-04 18:46:07,089 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2020-12-04 18:46:07,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-04 18:46:07,092 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:46:07,092 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:46:07,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-04 18:46:07,093 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:46:07,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:46:07,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1892036256, now seen corresponding path program 1 times [2020-12-04 18:46:07,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:46:07,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51042287] [2020-12-04 18:46:07,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:46:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:46:07,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:46:07,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51042287] [2020-12-04 18:46:07,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:46:07,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 18:46:07,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364364723] [2020-12-04 18:46:07,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 18:46:07,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:46:07,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 18:46:07,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:46:07,625 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 9 states. [2020-12-04 18:46:07,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:46:07,947 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2020-12-04 18:46:07,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-04 18:46:07,948 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-12-04 18:46:07,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:46:07,951 INFO L225 Difference]: With dead ends: 67 [2020-12-04 18:46:07,951 INFO L226 Difference]: Without dead ends: 50 [2020-12-04 18:46:07,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2020-12-04 18:46:07,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-12-04 18:46:07,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-12-04 18:46:07,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-12-04 18:46:07,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2020-12-04 18:46:07,974 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 26 [2020-12-04 18:46:07,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:46:07,976 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2020-12-04 18:46:07,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 18:46:07,976 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2020-12-04 18:46:07,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-04 18:46:07,977 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:46:07,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:46:07,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-04 18:46:07,977 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:46:07,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:46:07,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1472602148, now seen corresponding path program 1 times [2020-12-04 18:46:07,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:46:07,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861940554] [2020-12-04 18:46:07,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:46:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:46:08,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:46:08,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861940554] [2020-12-04 18:46:08,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:46:08,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-04 18:46:08,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172808389] [2020-12-04 18:46:08,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-04 18:46:08,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:46:08,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-04 18:46:08,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-04 18:46:08,364 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 11 states. [2020-12-04 18:46:08,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:46:08,719 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2020-12-04 18:46:08,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-04 18:46:08,720 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2020-12-04 18:46:08,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:46:08,721 INFO L225 Difference]: With dead ends: 50 [2020-12-04 18:46:08,721 INFO L226 Difference]: Without dead ends: 48 [2020-12-04 18:46:08,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-12-04 18:46:08,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-12-04 18:46:08,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-12-04 18:46:08,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-12-04 18:46:08,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2020-12-04 18:46:08,731 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 27 [2020-12-04 18:46:08,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:46:08,731 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2020-12-04 18:46:08,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-04 18:46:08,732 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2020-12-04 18:46:08,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-04 18:46:08,733 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:46:08,733 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:46:08,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-04 18:46:08,734 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:46:08,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:46:08,735 INFO L82 PathProgramCache]: Analyzing trace with hash -788472151, now seen corresponding path program 1 times [2020-12-04 18:46:08,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:46:08,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851645050] [2020-12-04 18:46:08,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:46:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:46:09,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:46:09,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851645050] [2020-12-04 18:46:09,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:46:09,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 18:46:09,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379420193] [2020-12-04 18:46:09,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 18:46:09,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:46:09,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 18:46:09,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:46:09,409 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 9 states. [2020-12-04 18:46:09,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:46:09,623 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2020-12-04 18:46:09,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-04 18:46:09,624 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2020-12-04 18:46:09,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:46:09,628 INFO L225 Difference]: With dead ends: 48 [2020-12-04 18:46:09,629 INFO L226 Difference]: Without dead ends: 46 [2020-12-04 18:46:09,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2020-12-04 18:46:09,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-12-04 18:46:09,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-12-04 18:46:09,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-12-04 18:46:09,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2020-12-04 18:46:09,653 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 31 [2020-12-04 18:46:09,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:46:09,654 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2020-12-04 18:46:09,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 18:46:09,654 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2020-12-04 18:46:09,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-04 18:46:09,660 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:46:09,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:46:09,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-04 18:46:09,661 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:46:09,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:46:09,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1439752775, now seen corresponding path program 1 times [2020-12-04 18:46:09,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:46:09,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082377742] [2020-12-04 18:46:09,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:46:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:46:10,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:46:10,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082377742] [2020-12-04 18:46:10,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:46:10,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-04 18:46:10,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676970423] [2020-12-04 18:46:10,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-04 18:46:10,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:46:10,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-04 18:46:10,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-12-04 18:46:10,902 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 10 states. [2020-12-04 18:46:11,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:46:11,243 INFO L93 Difference]: Finished difference Result 70 states and 69 transitions. [2020-12-04 18:46:11,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-04 18:46:11,244 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2020-12-04 18:46:11,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:46:11,246 INFO L225 Difference]: With dead ends: 70 [2020-12-04 18:46:11,246 INFO L226 Difference]: Without dead ends: 46 [2020-12-04 18:46:11,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-12-04 18:46:11,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-12-04 18:46:11,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-12-04 18:46:11,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-12-04 18:46:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 45 transitions. [2020-12-04 18:46:11,265 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 45 transitions. Word has length 36 [2020-12-04 18:46:11,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:46:11,267 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 45 transitions. [2020-12-04 18:46:11,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-04 18:46:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 45 transitions. [2020-12-04 18:46:11,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-04 18:46:11,270 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:46:11,270 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:46:11,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-04 18:46:11,271 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:46:11,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:46:11,272 INFO L82 PathProgramCache]: Analyzing trace with hash -740992344, now seen corresponding path program 1 times [2020-12-04 18:46:11,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:46:11,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093690541] [2020-12-04 18:46:11,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:46:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-04 18:46:11,905 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-04 18:46:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-04 18:46:12,421 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-04 18:46:12,490 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-04 18:46:12,490 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-04 18:46:12,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-04 18:46:12,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.12 06:46:12 BoogieIcfgContainer [2020-12-04 18:46:12,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-04 18:46:12,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-04 18:46:12,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-04 18:46:12,623 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-04 18:46:12,624 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:46:06" (3/4) ... [2020-12-04 18:46:12,629 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-04 18:46:12,630 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-04 18:46:12,632 INFO L168 Benchmark]: Toolchain (without parser) took 16204.04 ms. Allocated memory was 48.2 MB in the beginning and 241.2 MB in the end (delta: 192.9 MB). Free memory was 25.1 MB in the beginning and 138.8 MB in the end (delta: -113.7 MB). Peak memory consumption was 79.6 MB. Max. memory is 16.1 GB. [2020-12-04 18:46:12,634 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 48.2 MB. Free memory was 31.1 MB in the beginning and 31.0 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:46:12,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8245.48 ms. Allocated memory was 48.2 MB in the beginning and 146.8 MB in the end (delta: 98.6 MB). Free memory was 24.8 MB in the beginning and 47.0 MB in the end (delta: -22.2 MB). Peak memory consumption was 83.5 MB. Max. memory is 16.1 GB. [2020-12-04 18:46:12,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 354.90 ms. Allocated memory is still 146.8 MB. Free memory was 47.0 MB in the beginning and 35.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-04 18:46:12,643 INFO L168 Benchmark]: Boogie Preprocessor took 168.26 ms. Allocated memory is still 146.8 MB. Free memory was 35.5 MB in the beginning and 31.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-04 18:46:12,644 INFO L168 Benchmark]: RCFGBuilder took 1063.79 ms. Allocated memory is still 146.8 MB. Free memory was 31.3 MB in the beginning and 39.2 MB in the end (delta: -8.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2020-12-04 18:46:12,645 INFO L168 Benchmark]: TraceAbstraction took 6355.06 ms. Allocated memory was 146.8 MB in the beginning and 241.2 MB in the end (delta: 94.4 MB). Free memory was 38.2 MB in the beginning and 138.8 MB in the end (delta: -100.6 MB). Peak memory consumption was 94.4 MB. Max. memory is 16.1 GB. [2020-12-04 18:46:12,645 INFO L168 Benchmark]: Witness Printer took 7.17 ms. Allocated memory is still 241.2 MB. Free memory is still 138.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:46:12,653 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 48.2 MB. Free memory was 31.1 MB in the beginning and 31.0 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 8245.48 ms. Allocated memory was 48.2 MB in the beginning and 146.8 MB in the end (delta: 98.6 MB). Free memory was 24.8 MB in the beginning and 47.0 MB in the end (delta: -22.2 MB). Peak memory consumption was 83.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 354.90 ms. Allocated memory is still 146.8 MB. Free memory was 47.0 MB in the beginning and 35.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 168.26 ms. Allocated memory is still 146.8 MB. Free memory was 35.5 MB in the beginning and 31.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1063.79 ms. Allocated memory is still 146.8 MB. Free memory was 31.3 MB in the beginning and 39.2 MB in the end (delta: -8.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6355.06 ms. Allocated memory was 146.8 MB in the beginning and 241.2 MB in the end (delta: 94.4 MB). Free memory was 38.2 MB in the beginning and 138.8 MB in the end (delta: -100.6 MB). Peak memory consumption was 94.4 MB. Max. memory is 16.1 GB. * Witness Printer took 7.17 ms. Allocated memory is still 241.2 MB. Free memory is still 138.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of strcmp at line 10798, overapproximation of strlen at line 11324. Possible FailurePath: [L6879-L6884] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7634-L7646] static const uint8_t s_tolower_table[256] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 91, 92, 93, 94, 95, 96, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255}; VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L266] return __VERIFIER_nondet_ulong(); [L6832] size_t cap = nondet_uint64_t(); [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L6899] return malloc(size); VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L6834] const char *str = bounded_malloc(cap); [L6838] str[cap - 1] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L6839] return str; VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L11318] const char *str1 = ensure_c_str_is_allocated(64); [L261] return __VERIFIER_nondet_bool(); [L11319] EXPR nondet_bool() ? str1 : ensure_c_str_is_allocated(64) [L266] return __VERIFIER_nondet_ulong(); [L6832] size_t cap = nondet_uint64_t(); [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L6899] return malloc(size); VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L6834] const char *str = bounded_malloc(cap); [L6838] str[cap - 1] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L6839] return str; VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L11319] EXPR nondet_bool() ? str1 : ensure_c_str_is_allocated(64) VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L11319] const char *str2 = nondet_bool() ? str1 : ensure_c_str_is_allocated(64); [L6272] return str && ((((1)) == 0) || ((str))); VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L6272] return str && ((((1)) == 0) || ((str))); VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L10797-L10798] _Bool rval = !strcmp(a, b); [L6272] return str && ((((1)) == 0) || ((str))); VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L10799] aws_c_string_is_valid(a) && aws_c_string_is_valid(b) [L6272] return str && ((((1)) == 0) || ((str))); VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L10799] aws_c_string_is_valid(a) && aws_c_string_is_valid(b) VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L223] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L10799] return rval; VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L11321-L11322] _Bool rval = aws_hash_callback_c_str_eq(str1, str2); [L11323] COND TRUE \read(rval) [L11324] size_t len = strlen(str1); [L223] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L7114-L7117] COND TRUE len > 0 && a != ((void *)0) && b != ((void *)0) [L266] return __VERIFIER_nondet_ulong(); [L7119] size_t i = nondet_uint64_t(); [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L7123] a[i] [L7123] b[i] [L223] COND TRUE !cond VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] [L223] reach_error() VAL [s_can_fail_allocator_static={257:0}, s_tolower_table={262:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 197 SDtfs, 663 SDslu, 537 SDs, 0 SdLazy, 255 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 18749 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-87fd6ee [2020-12-04 18:46:15,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 18:46:15,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 18:46:15,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 18:46:15,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 18:46:15,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 18:46:15,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 18:46:15,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 18:46:15,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 18:46:15,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 18:46:15,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 18:46:15,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 18:46:15,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 18:46:15,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 18:46:15,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 18:46:15,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 18:46:15,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 18:46:15,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 18:46:15,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 18:46:15,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 18:46:15,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 18:46:15,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 18:46:15,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 18:46:15,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 18:46:15,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 18:46:15,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 18:46:15,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 18:46:15,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 18:46:15,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 18:46:15,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 18:46:15,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 18:46:15,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 18:46:15,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 18:46:15,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 18:46:15,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 18:46:15,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 18:46:15,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 18:46:15,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 18:46:15,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 18:46:15,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 18:46:15,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 18:46:15,345 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-12-04 18:46:15,375 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 18:46:15,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 18:46:15,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 18:46:15,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 18:46:15,382 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 18:46:15,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 18:46:15,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 18:46:15,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 18:46:15,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 18:46:15,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 18:46:15,384 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-04 18:46:15,384 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-04 18:46:15,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 18:46:15,384 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 18:46:15,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 18:46:15,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 18:46:15,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 18:46:15,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 18:46:15,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:46:15,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 18:46:15,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 18:46:15,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 18:46:15,386 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-04 18:46:15,386 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-04 18:46:15,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 18:46:15,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 18:46:15,387 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-04 18:46:15,387 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c266a66e04489d166fa8a41922803d8c88553dd6 [2020-12-04 18:46:15,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 18:46:15,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 18:46:15,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 18:46:15,925 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 18:46:15,926 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 18:46:15,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2020-12-04 18:46:16,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263ff98c8/cb998d6598f3487e80991639dbd89122/FLAGab360a0ff [2020-12-04 18:46:17,434 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 18:46:17,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2020-12-04 18:46:17,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263ff98c8/cb998d6598f3487e80991639dbd89122/FLAGab360a0ff [2020-12-04 18:46:17,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263ff98c8/cb998d6598f3487e80991639dbd89122 [2020-12-04 18:46:17,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 18:46:17,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 18:46:17,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 18:46:17,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 18:46:17,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 18:46:17,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:46:17" (1/1) ... [2020-12-04 18:46:17,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c26b7e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:46:17, skipping insertion in model container [2020-12-04 18:46:17,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:46:17" (1/1) ... [2020-12-04 18:46:17,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 18:46:18,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 18:46:18,453 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2020-12-04 18:46:18,467 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2020-12-04 18:46:18,522 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:46:18,533 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:46:20,368 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:20,370 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:20,371 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:20,373 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:20,375 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:20,419 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:20,421 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:20,425 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:20,426 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:21,013 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:46:21,014 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:46:21,016 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:46:21,017 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:46:21,019 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:46:21,020 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:46:21,020 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:46:21,021 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:46:21,022 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:46:21,023 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:46:21,415 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:46:21,555 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:21,556 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,153 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,155 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,201 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,204 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,215 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,216 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,241 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,243 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,245 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,246 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,247 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,248 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,250 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:46:22,475 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 18:46:22,509 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2020-12-04 18:46:22,511 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2020-12-04 18:46:22,513 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:46:22,514 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:46:22,613 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,615 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,615 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,616 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,617 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,628 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,629 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,630 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,630 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,737 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:46:22,738 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:46:22,740 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:46:22,741 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:46:22,742 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:46:22,742 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:46:22,743 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:46:22,744 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:46:22,745 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:46:22,745 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:46:22,784 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:46:22,874 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:22,895 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:23,035 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:23,036 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:23,058 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:23,061 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:23,074 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:23,075 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:23,102 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:23,106 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:23,107 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:23,109 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:23,109 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:23,111 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:23,112 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:46:23,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:46:24,730 INFO L208 MainTranslator]: Completed translation [2020-12-04 18:46:24,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:46:24 WrapperNode [2020-12-04 18:46:24,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 18:46:24,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 18:46:24,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 18:46:24,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 18:46:24,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:46:24" (1/1) ... [2020-12-04 18:46:24,810 ERROR L1131 TypeChecker]: C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263]: Type differs at parameter #res in Procedure[nondet_size_t,[],[],[VarList[C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263],[#res],NamedType[C_ULONG,[]],null]],null,Body[C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263],[VariableDeclaration[[VarList[C: __VERIFIER_nondet_ulong() [263],[#t~nondet13],NamedType[C_ULONG,[]],null]]]],[AssignmentStatement[[VariableLHS[#res,]],[IdentifierExpression[#t~nondet13,]]],HavocStatement[[VariableLHS[#t~nondet13,]]],ReturnStatement]]] [2020-12-04 18:46:24,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:46:24" (1/1) ... [2020-12-04 18:46:24,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 18:46:24,971 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-12-04 18:46:24,975 INFO L168 Benchmark]: Toolchain (without parser) took 7171.79 ms. Allocated memory was 54.5 MB in the beginning and 224.4 MB in the end (delta: 169.9 MB). Free memory was 35.0 MB in the beginning and 154.4 MB in the end (delta: -119.3 MB). Peak memory consumption was 49.6 MB. Max. memory is 16.1 GB. [2020-12-04 18:46:24,975 INFO L168 Benchmark]: CDTParser took 1.86 ms. Allocated memory is still 39.8 MB. Free memory is still 25.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:46:24,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6925.94 ms. Allocated memory was 54.5 MB in the beginning and 224.4 MB in the end (delta: 169.9 MB). Free memory was 34.7 MB in the beginning and 161.7 MB in the end (delta: -127.0 MB). Peak memory consumption was 114.8 MB. Max. memory is 16.1 GB. [2020-12-04 18:46:24,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 238.75 ms. Allocated memory is still 224.4 MB. Free memory was 161.7 MB in the beginning and 154.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-04 18:46:24,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.86 ms. Allocated memory is still 39.8 MB. Free memory is still 25.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6925.94 ms. Allocated memory was 54.5 MB in the beginning and 224.4 MB in the end (delta: 169.9 MB). Free memory was 34.7 MB in the beginning and 161.7 MB in the end (delta: -127.0 MB). Peak memory consumption was 114.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 238.75 ms. Allocated memory is still 224.4 MB. Free memory was 161.7 MB in the beginning and 154.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: 263]: Type Error Type differs at parameter #res in Procedure[nondet_size_t,[],[],[VarList[C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263],[#res],NamedType[C_ULONG,[]],null]],null,Body[C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263],[VariableDeclaration[[VarList[C: __VERIFIER_nondet_ulong() [263],[#t~nondet13],NamedType[C_ULONG,[]],null]]]],[AssignmentStatement[[VariableLHS[#res,]],[IdentifierExpression[#t~nondet13,]]],HavocStatement[[VariableLHS[#t~nondet13,]]],ReturnStatement]]] RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...