./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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 ../sv-benchmarks/c/aws-c-common/aws_hash_table_clear_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 76206b4f7fb4016a4087a30dbd51e90ef533ed916c2eae20331e23ac9a9e91be --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:41,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:41,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:41,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:41,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:41,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:41,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:41,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:41,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:41,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:41,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:41,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:41,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:41,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:41,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:41,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:41,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:41,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:41,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:41,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:41,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:41,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:41,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:41,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:41,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:41,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:41,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:41,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:41,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:41,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:41,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:41,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:41,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:41,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:41,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:41,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:41,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:41,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:41,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:41,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:41,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:41,216 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:31:41,238 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:41,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:41,239 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:41,239 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:41,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:41,240 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:41,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:41,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:41,241 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:41,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:41,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:31:41,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:41,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:41,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:41,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:41,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:41,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:41,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:41,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:41,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:41,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:41,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:41,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:41,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:41,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:41,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:31:41,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:31:41,246 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:41,246 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:41,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:41,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:41,247 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76206b4f7fb4016a4087a30dbd51e90ef533ed916c2eae20331e23ac9a9e91be [2021-12-15 12:31:41,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:41,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:41,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:41,455 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:41,456 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:41,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i [2021-12-15 12:31:41,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/170678dd5/93e122f242d94c4d9dc4964d1f9a4a62/FLAG725a3dabd [2021-12-15 12:31:42,139 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:42,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i [2021-12-15 12:31:42,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/170678dd5/93e122f242d94c4d9dc4964d1f9a4a62/FLAG725a3dabd [2021-12-15 12:31:42,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/170678dd5/93e122f242d94c4d9dc4964d1f9a4a62 [2021-12-15 12:31:42,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:42,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:42,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:42,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:42,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:42,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:42" (1/1) ... [2021-12-15 12:31:42,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19ed05da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:42, skipping insertion in model container [2021-12-15 12:31:42,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:42" (1/1) ... [2021-12-15 12:31:42,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:42,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:42,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i[4494,4507] [2021-12-15 12:31:42,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i[4554,4567] [2021-12-15 12:31:43,444 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,449 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,450 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,452 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,453 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,460 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,461 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,464 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,466 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,467 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,468 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,469 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,469 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:43,746 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:43,748 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:43,749 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:43,750 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:43,750 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:43,751 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:43,751 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:43,752 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:43,760 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:43,761 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:43,930 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:44,164 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,165 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,180 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,181 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,184 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,185 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,194 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,195 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,195 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,195 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,195 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,196 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,196 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:44,232 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:44,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i[4494,4507] [2021-12-15 12:31:44,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i[4554,4567] [2021-12-15 12:31:44,310 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,311 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,311 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,311 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,312 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,320 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,321 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,322 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,322 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,323 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,323 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,324 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,324 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,343 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:44,344 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:44,344 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:44,345 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:44,346 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:44,346 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:44,346 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:44,347 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:44,347 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:44,347 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:44,370 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:44,440 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,441 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,445 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,446 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,447 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,447 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,456 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,457 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,457 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,458 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,458 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,459 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,459 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:44,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:44,651 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:44,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:44 WrapperNode [2021-12-15 12:31:44,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:44,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:44,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:44,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:44,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:44" (1/1) ... [2021-12-15 12:31:44,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:44" (1/1) ... [2021-12-15 12:31:44,822 INFO L137 Inliner]: procedures = 775, calls = 2440, calls flagged for inlining = 68, calls inlined = 13, statements flattened = 620 [2021-12-15 12:31:44,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:44,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:44,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:44,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:44,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:44" (1/1) ... [2021-12-15 12:31:44,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:44" (1/1) ... [2021-12-15 12:31:44,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:44" (1/1) ... [2021-12-15 12:31:44,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:44" (1/1) ... [2021-12-15 12:31:44,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:44" (1/1) ... [2021-12-15 12:31:44,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:44" (1/1) ... [2021-12-15 12:31:44,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:44" (1/1) ... [2021-12-15 12:31:44,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:44,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:44,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:44,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:44,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:44" (1/1) ... [2021-12-15 12:31:44,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:44,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:44,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:31:44,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:31:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure memset_override_0_impl [2021-12-15 12:31:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_override_0_impl [2021-12-15 12:31:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-15 12:31:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:31:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:31:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:31:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:31:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:31:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-15 12:31:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-15 12:31:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_clear [2021-12-15 12:31:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_clear [2021-12-15 12:31:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:31:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:31:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:31:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:31:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:31:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:31:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2021-12-15 12:31:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2021-12-15 12:31:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-15 12:31:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-15 12:31:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-15 12:31:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-15 12:31:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:31:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:31:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-15 12:31:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-15 12:31:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:31:45,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:31:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:31:45,017 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:31:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:31:45,234 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:45,236 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:45,760 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:45,774 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:45,774 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 12:31:45,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:45 BoogieIcfgContainer [2021-12-15 12:31:45,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:45,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:45,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:45,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:45,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:42" (1/3) ... [2021-12-15 12:31:45,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f6d6f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:45, skipping insertion in model container [2021-12-15 12:31:45,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:44" (2/3) ... [2021-12-15 12:31:45,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f6d6f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:45, skipping insertion in model container [2021-12-15 12:31:45,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:45" (3/3) ... [2021-12-15 12:31:45,782 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_clear_harness.i [2021-12-15 12:31:45,786 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:45,787 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:45,823 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:45,828 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:31:45,829 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:45,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 110 states have (on average 1.2) internal successors, (132), 111 states have internal predecessors, (132), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2021-12-15 12:31:45,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-12-15 12:31:45,858 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:45,859 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:31:45,860 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:45,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:45,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1492385641, now seen corresponding path program 1 times [2021-12-15 12:31:45,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:31:45,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099478327] [2021-12-15 12:31:45,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:45,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:31:45,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:31:45,962 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:31:45,966 INFO L158 Benchmark]: Toolchain (without parser) took 3432.72ms. Allocated memory was 90.2MB in the beginning and 241.2MB in the end (delta: 151.0MB). Free memory was 48.5MB in the beginning and 178.1MB in the end (delta: -129.6MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:45,966 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:45,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2117.82ms. Allocated memory was 90.2MB in the beginning and 180.4MB in the end (delta: 90.2MB). Free memory was 48.3MB in the beginning and 83.4MB in the end (delta: -35.2MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2021-12-15 12:31:45,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.26ms. Allocated memory is still 180.4MB. Free memory was 83.4MB in the beginning and 123.6MB in the end (delta: -40.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:31:45,968 INFO L158 Benchmark]: Boogie Preprocessor took 79.35ms. Allocated memory is still 180.4MB. Free memory was 123.6MB in the beginning and 117.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:31:45,968 INFO L158 Benchmark]: RCFGBuilder took 869.14ms. Allocated memory is still 180.4MB. Free memory was 117.3MB in the beginning and 76.4MB in the end (delta: 40.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2021-12-15 12:31:45,968 INFO L158 Benchmark]: TraceAbstraction took 187.66ms. Allocated memory was 180.4MB in the beginning and 241.2MB in the end (delta: 60.8MB). Free memory was 75.4MB in the beginning and 178.1MB in the end (delta: -102.7MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2021-12-15 12:31:45,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2117.82ms. Allocated memory was 90.2MB in the beginning and 180.4MB in the end (delta: 90.2MB). Free memory was 48.3MB in the beginning and 83.4MB in the end (delta: -35.2MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 173.26ms. Allocated memory is still 180.4MB. Free memory was 83.4MB in the beginning and 123.6MB in the end (delta: -40.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.35ms. Allocated memory is still 180.4MB. Free memory was 123.6MB in the beginning and 117.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 869.14ms. Allocated memory is still 180.4MB. Free memory was 117.3MB in the beginning and 76.4MB in the end (delta: 40.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 187.66ms. Allocated memory was 180.4MB in the beginning and 241.2MB in the end (delta: 60.8MB). Free memory was 75.4MB in the beginning and 178.1MB in the end (delta: -102.7MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:31:45,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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 ../sv-benchmarks/c/aws-c-common/aws_hash_table_clear_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 76206b4f7fb4016a4087a30dbd51e90ef533ed916c2eae20331e23ac9a9e91be --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:31:47,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:31:47,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:31:47,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:31:47,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:31:47,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:31:47,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:31:47,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:31:47,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:31:47,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:31:47,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:31:47,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:31:47,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:31:47,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:31:47,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:31:47,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:31:47,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:31:47,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:31:47,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:31:47,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:31:47,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:31:47,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:31:47,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:31:47,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:31:47,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:31:47,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:31:47,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:31:47,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:31:47,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:31:47,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:31:47,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:31:47,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:31:47,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:31:47,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:31:47,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:31:47,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:31:47,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:31:47,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:31:47,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:31:47,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:31:47,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:31:47,699 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:31:47,719 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:31:47,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:31:47,720 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:31:47,720 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:31:47,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:31:47,721 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:31:47,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:31:47,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:31:47,722 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:31:47,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:31:47,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:31:47,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:31:47,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:31:47,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:31:47,723 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:31:47,723 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:31:47,723 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:31:47,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:31:47,724 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:31:47,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:31:47,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:31:47,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:31:47,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:31:47,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:47,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:31:47,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:31:47,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:31:47,725 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:31:47,725 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:31:47,725 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:31:47,725 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:31:47,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:31:47,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:31:47,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:31:47,726 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76206b4f7fb4016a4087a30dbd51e90ef533ed916c2eae20331e23ac9a9e91be [2021-12-15 12:31:47,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:31:48,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:31:48,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:31:48,017 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:31:48,017 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:31:48,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i [2021-12-15 12:31:48,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eddecbf5f/d53467bf43f5433995586547a7a601f0/FLAG05e7f6f77 [2021-12-15 12:31:48,674 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:31:48,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i [2021-12-15 12:31:48,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eddecbf5f/d53467bf43f5433995586547a7a601f0/FLAG05e7f6f77 [2021-12-15 12:31:49,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eddecbf5f/d53467bf43f5433995586547a7a601f0 [2021-12-15 12:31:49,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:31:49,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:31:49,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:49,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:31:49,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:31:49,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:49" (1/1) ... [2021-12-15 12:31:49,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c82a048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:49, skipping insertion in model container [2021-12-15 12:31:49,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:49" (1/1) ... [2021-12-15 12:31:49,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:31:49,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:49,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i[4494,4507] [2021-12-15 12:31:49,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i[4554,4567] [2021-12-15 12:31:49,962 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:49,962 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:49,963 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:49,963 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:49,964 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:49,985 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:49,987 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:49,989 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:49,990 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:49,993 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:49,994 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:49,995 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:49,996 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,233 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:50,234 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:50,234 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:50,235 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:50,236 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:50,236 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:50,237 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:50,237 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:50,237 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:50,238 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:50,357 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:50,603 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,603 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,618 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,619 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,623 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,623 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,638 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,639 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,639 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,640 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,640 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,641 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,641 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:50,704 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:31:50,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:31:50,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i[4494,4507] [2021-12-15 12:31:50,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i[4554,4567] [2021-12-15 12:31:50,832 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,833 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,833 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,834 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,834 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,842 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,843 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,845 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,846 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,846 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,846 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,883 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:50,885 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:50,886 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:50,887 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:50,887 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:50,888 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:50,888 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:50,888 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:50,889 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:50,889 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:50,908 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:50,997 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:50,998 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,003 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,003 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,005 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,006 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,013 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,014 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,014 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,015 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,015 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,015 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,015 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:51,049 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:31:51,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i[4494,4507] [2021-12-15 12:31:51,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i[4554,4567] [2021-12-15 12:31:51,097 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,097 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,098 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,098 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,099 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,101 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,103 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,103 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,104 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,104 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,105 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,105 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,105 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,121 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:31:51,122 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:31:51,123 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:31:51,124 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:31:51,125 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:31:51,125 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:31:51,125 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:31:51,125 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:31:51,126 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:31:51,126 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:31:51,136 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:31:51,238 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,238 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,247 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,247 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,250 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,250 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,259 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,260 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,260 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,260 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,260 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,261 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,261 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:31:51,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:31:51,462 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:31:51,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:51 WrapperNode [2021-12-15 12:31:51,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:31:51,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:51,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:31:51,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:31:51,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:51" (1/1) ... [2021-12-15 12:31:51,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:51" (1/1) ... [2021-12-15 12:31:51,623 INFO L137 Inliner]: procedures = 795, calls = 2440, calls flagged for inlining = 70, calls inlined = 13, statements flattened = 616 [2021-12-15 12:31:51,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:31:51,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:31:51,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:31:51,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:31:51,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:51" (1/1) ... [2021-12-15 12:31:51,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:51" (1/1) ... [2021-12-15 12:31:51,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:51" (1/1) ... [2021-12-15 12:31:51,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:51" (1/1) ... [2021-12-15 12:31:51,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:51" (1/1) ... [2021-12-15 12:31:51,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:51" (1/1) ... [2021-12-15 12:31:51,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:51" (1/1) ... [2021-12-15 12:31:51,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:31:51,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:31:51,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:31:51,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:31:51,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:51" (1/1) ... [2021-12-15 12:31:51,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:31:51,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:31:51,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:31:51,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:31:51,811 INFO L130 BoogieDeclarations]: Found specification of procedure memset_override_0_impl [2021-12-15 12:31:51,811 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_override_0_impl [2021-12-15 12:31:51,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-15 12:31:51,812 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:31:51,812 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:31:51,812 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:31:51,812 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:31:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:31:51,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:31:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-15 12:31:51,816 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-15 12:31:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_clear [2021-12-15 12:31:51,817 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_clear [2021-12-15 12:31:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:31:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:31:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:31:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:31:51,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:31:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:31:51,817 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:31:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:31:51,818 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:31:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:31:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-15 12:31:51,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-15 12:31:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:31:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:31:51,818 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:31:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2021-12-15 12:31:51,818 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2021-12-15 12:31:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-15 12:31:51,819 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-15 12:31:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:31:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:31:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:31:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-15 12:31:51,820 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-15 12:31:51,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:31:51,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:31:51,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:31:51,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:31:51,820 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:31:51,820 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:31:51,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:31:51,821 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-15 12:31:51,821 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-15 12:31:51,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:31:51,821 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:31:51,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:31:51,821 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-15 12:31:51,821 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-15 12:31:52,068 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:31:52,069 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:31:53,222 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:31:53,230 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:31:53,230 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 12:31:53,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:53 BoogieIcfgContainer [2021-12-15 12:31:53,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:31:53,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:31:53,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:31:53,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:31:53,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:31:49" (1/3) ... [2021-12-15 12:31:53,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4db138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:53, skipping insertion in model container [2021-12-15 12:31:53,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:51" (2/3) ... [2021-12-15 12:31:53,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4db138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:31:53, skipping insertion in model container [2021-12-15 12:31:53,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:53" (3/3) ... [2021-12-15 12:31:53,239 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_clear_harness.i [2021-12-15 12:31:53,243 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:31:53,243 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:31:53,290 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:31:53,295 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:31:53,296 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:31:53,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 168 states, 107 states have (on average 1.205607476635514) internal successors, (129), 108 states have internal predecessors, (129), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2021-12-15 12:31:53,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-12-15 12:31:53,324 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:31:53,325 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:31:53,326 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:31:53,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:31:53,330 INFO L85 PathProgramCache]: Analyzing trace with hash 156519303, now seen corresponding path program 1 times [2021-12-15 12:31:53,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:31:53,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590356307] [2021-12-15 12:31:53,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:31:53,343 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:31:53,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:31:53,345 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 12:31:53,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 12:31:53,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 12:31:53,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 12:31:53,665 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:31:53,669 INFO L158 Benchmark]: Toolchain (without parser) took 4573.59ms. Allocated memory was 60.8MB in the beginning and 182.5MB in the end (delta: 121.6MB). Free memory was 31.1MB in the beginning and 101.0MB in the end (delta: -69.9MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2021-12-15 12:31:53,670 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory was 42.8MB in the beginning and 42.8MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:31:53,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2367.23ms. Allocated memory was 60.8MB in the beginning and 182.5MB in the end (delta: 121.6MB). Free memory was 30.8MB in the beginning and 90.7MB in the end (delta: -59.9MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2021-12-15 12:31:53,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.88ms. Allocated memory is still 182.5MB. Free memory was 90.7MB in the beginning and 125.7MB in the end (delta: -34.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:31:53,671 INFO L158 Benchmark]: Boogie Preprocessor took 109.49ms. Allocated memory is still 182.5MB. Free memory was 125.7MB in the beginning and 117.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:31:53,671 INFO L158 Benchmark]: RCFGBuilder took 1498.43ms. Allocated memory is still 182.5MB. Free memory was 117.3MB in the beginning and 118.3MB in the end (delta: -988.8kB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2021-12-15 12:31:53,671 INFO L158 Benchmark]: TraceAbstraction took 435.40ms. Allocated memory is still 182.5MB. Free memory was 118.3MB in the beginning and 101.0MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 12:31:53,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory was 42.8MB in the beginning and 42.8MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2367.23ms. Allocated memory was 60.8MB in the beginning and 182.5MB in the end (delta: 121.6MB). Free memory was 30.8MB in the beginning and 90.7MB in the end (delta: -59.9MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.88ms. Allocated memory is still 182.5MB. Free memory was 90.7MB in the beginning and 125.7MB in the end (delta: -34.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.49ms. Allocated memory is still 182.5MB. Free memory was 125.7MB in the beginning and 117.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1498.43ms. Allocated memory is still 182.5MB. Free memory was 117.3MB in the beginning and 118.3MB in the end (delta: -988.8kB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. * TraceAbstraction took 435.40ms. Allocated memory is still 182.5MB. Free memory was 118.3MB in the beginning and 101.0MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:31:53,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable