./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/unreach-call.prp --file /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ptr_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 87fd6ee1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ptr_eq_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7b57d0eee22343e8f0685cf6070d33bec21f1760 ...................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-87fd6ee [2020-12-04 19:18:33,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 19:18:33,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 19:18:33,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 19:18:33,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 19:18:33,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 19:18:33,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 19:18:33,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 19:18:33,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 19:18:33,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 19:18:33,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 19:18:33,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 19:18:33,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 19:18:33,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 19:18:33,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 19:18:33,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 19:18:33,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 19:18:33,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 19:18:33,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 19:18:33,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 19:18:33,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 19:18:33,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 19:18:33,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 19:18:33,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 19:18:33,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 19:18:33,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 19:18:33,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 19:18:33,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 19:18:33,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 19:18:33,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 19:18:33,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 19:18:33,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 19:18:33,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 19:18:33,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 19:18:33,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 19:18:33,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 19:18:33,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 19:18:33,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 19:18:33,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 19:18:33,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 19:18:33,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 19:18:33,376 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-04 19:18:33,428 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 19:18:33,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 19:18:33,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 19:18:33,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 19:18:33,433 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 19:18:33,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 19:18:33,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-04 19:18:33,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 19:18:33,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 19:18:33,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 19:18:33,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 19:18:33,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 19:18:33,435 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 19:18:33,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 19:18:33,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 19:18:33,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 19:18:33,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 19:18:33,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 19:18:33,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 19:18:33,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 19:18:33,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 19:18:33,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-04 19:18:33,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-04 19:18:33,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 19:18:33,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 19:18:33,438 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b57d0eee22343e8f0685cf6070d33bec21f1760 [2020-12-04 19:18:33,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 19:18:33,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 19:18:33,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 19:18:33,910 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 19:18:33,911 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 19:18:33,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ptr_eq_harness.i [2020-12-04 19:18:34,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ed6c0798/e28753be77af470facf7ae3b43e42356/FLAGf35738626 [2020-12-04 19:18:35,161 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 19:18:35,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ptr_eq_harness.i [2020-12-04 19:18:35,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ed6c0798/e28753be77af470facf7ae3b43e42356/FLAGf35738626 [2020-12-04 19:18:35,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ed6c0798/e28753be77af470facf7ae3b43e42356 [2020-12-04 19:18:35,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 19:18:35,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 19:18:35,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 19:18:35,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 19:18:35,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 19:18:35,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 07:18:35" (1/1) ... [2020-12-04 19:18:35,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259ac82c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:18:35, skipping insertion in model container [2020-12-04 19:18:35,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 07:18:35" (1/1) ... [2020-12-04 19:18:35,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 19:18:35,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 19:18:36,069 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ptr_eq_harness.i[4484,4497] [2020-12-04 19:18:36,079 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ptr_eq_harness.i[4544,4557] [2020-12-04 19:18:36,112 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 19:18:36,121 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 19:18:37,209 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,211 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,212 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,213 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,215 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,235 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,248 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,251 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,251 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,258 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,263 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,266 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,267 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,836 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,838 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,865 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,869 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,884 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,885 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,910 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,914 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,918 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,920 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,921 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,924 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:37,925 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,239 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 19:18:38,241 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 19:18:38,242 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 19:18:38,243 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 19:18:38,244 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 19:18:38,245 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 19:18:38,246 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 19:18:38,247 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 19:18:38,247 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 19:18:38,248 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 19:18:38,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 19:18:38,410 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 19:18:38,428 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ptr_eq_harness.i[4484,4497] [2020-12-04 19:18:38,429 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ptr_eq_harness.i[4544,4557] [2020-12-04 19:18:38,431 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 19:18:38,432 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 19:18:38,496 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,497 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,497 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,498 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,499 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,509 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,510 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,512 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,513 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,515 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,516 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,517 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,517 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,662 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,664 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,670 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,672 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,681 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,682 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,687 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,689 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,690 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,691 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,691 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,692 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,692 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:18:38,777 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 19:18:38,779 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 19:18:38,791 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 19:18:38,792 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 19:18:38,793 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 19:18:38,794 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 19:18:38,795 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 19:18:38,795 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 19:18:38,796 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 19:18:38,797 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 19:18:38,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 19:18:40,223 INFO L208 MainTranslator]: Completed translation [2020-12-04 19:18:40,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:18:40 WrapperNode [2020-12-04 19:18:40,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 19:18:40,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 19:18:40,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 19:18:40,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 19:18:40,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:18:40" (1/1) ... [2020-12-04 19:18:40,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:18:40" (1/1) ... [2020-12-04 19:18:40,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 19:18:40,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-04 19:18:40,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-04 19:18:40,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-04 19:18:40,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:18:40" (1/1) ... [2020-12-04 19:18:40,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:18:40" (1/1) ... [2020-12-04 19:18:40,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:18:40" (1/1) ... [2020-12-04 19:18:40,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:18:40" (1/1) ... [2020-12-04 19:18:40,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:18:40" (1/1) ... [2020-12-04 19:18:40,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:18:40" (1/1) ... [2020-12-04 19:18:40,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:18:40" (1/1) ... [2020-12-04 19:18:40,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-04 19:18:40,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-04 19:18:40,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-04 19:18:40,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-04 19:18:40,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:18:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 19:18:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-04 19:18:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-04 19:18:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-04 19:18:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-04 19:18:41,111 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-04 19:18:41,112 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-04 19:18:41,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 07:18:41 BoogieIcfgContainer [2020-12-04 19:18:41,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-04 19:18:41,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-04 19:18:41,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-04 19:18:41,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-04 19:18:41,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.12 07:18:35" (1/3) ... [2020-12-04 19:18:41,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23707824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 07:18:41, skipping insertion in model container [2020-12-04 19:18:41,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:18:40" (2/3) ... [2020-12-04 19:18:41,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23707824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 07:18:41, skipping insertion in model container [2020-12-04 19:18:41,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 07:18:41" (3/3) ... [2020-12-04 19:18:41,126 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ptr_eq_harness.i [2020-12-04 19:18:41,144 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-04 19:18:41,150 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-04 19:18:41,165 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-04 19:18:41,196 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-04 19:18:41,197 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-04 19:18:41,197 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-04 19:18:41,197 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-04 19:18:41,198 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-04 19:18:41,198 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-04 19:18:41,198 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-04 19:18:41,198 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-04 19:18:41,215 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-12-04 19:18:41,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-04 19:18:41,222 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:18:41,223 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-04 19:18:41,223 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:18:41,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:18:41,231 INFO L82 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2020-12-04 19:18:41,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:18:41,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772454231] [2020-12-04 19:18:41,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:18:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:18:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 19:18:41,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772454231] [2020-12-04 19:18:41,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:18:41,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 19:18:41,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587268667] [2020-12-04 19:18:41,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 19:18:41,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:18:41,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 19:18:41,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 19:18:41,836 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 4 states. [2020-12-04 19:18:41,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:18:41,896 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-12-04 19:18:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 19:18:41,899 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-12-04 19:18:41,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:18:41,907 INFO L225 Difference]: With dead ends: 14 [2020-12-04 19:18:41,908 INFO L226 Difference]: Without dead ends: 0 [2020-12-04 19:18:41,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 19:18:41,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-04 19:18:41,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-04 19:18:41,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-04 19:18:41,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-04 19:18:41,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2020-12-04 19:18:41,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:18:41,945 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-04 19:18:41,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 19:18:41,946 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-04 19:18:41,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-04 19:18:41,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-04 19:18:41,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-04 19:18:42,017 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-04 19:18:42,018 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-04 19:18:42,018 INFO L262 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-12-04 19:18:42,018 INFO L262 CegarLoopResult]: For program point L223-1(line 223) no Hoare annotation was computed. [2020-12-04 19:18:42,018 INFO L262 CegarLoopResult]: For program point L222(lines 1 8632) no Hoare annotation was computed. [2020-12-04 19:18:42,019 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-04 19:18:42,019 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-04 19:18:42,019 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 19:18:42,020 INFO L258 CegarLoopResult]: At program point L8632(line 8632) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_aws_ptr_eq_harness_~p2~0.offset ULTIMATE.start_aws_ptr_eq_harness_~p1~0.offset)) (.cse1 (= ULTIMATE.start_aws_ptr_eq_harness_~p1~0.base ULTIMATE.start_aws_ptr_eq_harness_~p2~0.base))) (and (<= 0 |ULTIMATE.start_aws_ptr_eq_#res|) (<= |ULTIMATE.start_aws_ptr_eq_#res| 1) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (or (and .cse0 .cse1) (<= |ULTIMATE.start_aws_ptr_eq_#res| 0)) (<= (div ULTIMATE.start___VERIFIER_assert_~cond 256) 0) (or (not .cse0) (<= 1 |ULTIMATE.start_aws_ptr_eq_#res|) (not .cse1)))) [2020-12-04 19:18:42,020 INFO L258 CegarLoopResult]: At program point L6804(lines 6802 6805) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_aws_ptr_eq_harness_~p2~0.offset ULTIMATE.start_aws_ptr_eq_harness_~p1~0.offset)) (.cse1 (= ULTIMATE.start_aws_ptr_eq_harness_~p1~0.base ULTIMATE.start_aws_ptr_eq_harness_~p2~0.base))) (and (<= 0 |ULTIMATE.start_aws_ptr_eq_#res|) (<= |ULTIMATE.start_aws_ptr_eq_#res| 1) (or (and .cse0 .cse1) (<= |ULTIMATE.start_aws_ptr_eq_#res| 0)) (or (not .cse0) (<= 1 |ULTIMATE.start_aws_ptr_eq_#res|) (not .cse1)))) [2020-12-04 19:18:42,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.12 07:18:42 BoogieIcfgContainer [2020-12-04 19:18:42,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-04 19:18:42,043 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-04 19:18:42,043 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-04 19:18:42,044 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-04 19:18:42,044 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 07:18:41" (3/4) ... [2020-12-04 19:18:42,048 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-04 19:18:42,060 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-04 19:18:42,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-04 19:18:42,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-04 19:18:42,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-04 19:18:42,096 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 <= \result && \result <= 1) && ((p2 == p1 && p1 == p2) || \result <= 0)) && ((!(p2 == p1) || 1 <= \result) || !(p1 == p2)) [2020-12-04 19:18:42,097 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 <= \result && \result <= 1) && 1 <= cond) && ((p2 == p1 && p1 == p2) || \result <= 0)) && cond / 256 <= 0) && ((!(p2 == p1) || 1 <= \result) || !(p1 == p2)) [2020-12-04 19:18:42,109 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-04 19:18:42,109 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-04 19:18:42,112 INFO L168 Benchmark]: Toolchain (without parser) took 6519.32 ms. Allocated memory was 46.1 MB in the beginning and 138.4 MB in the end (delta: 92.3 MB). Free memory was 24.8 MB in the beginning and 38.2 MB in the end (delta: -13.5 MB). Peak memory consumption was 80.1 MB. Max. memory is 16.1 GB. [2020-12-04 19:18:42,113 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 37.7 MB. Free memory is still 19.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 19:18:42,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4630.98 ms. Allocated memory was 46.1 MB in the beginning and 138.4 MB in the end (delta: 92.3 MB). Free memory was 24.6 MB in the beginning and 71.3 MB in the end (delta: -46.7 MB). Peak memory consumption was 72.3 MB. Max. memory is 16.1 GB. [2020-12-04 19:18:42,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 191.49 ms. Allocated memory is still 138.4 MB. Free memory was 71.3 MB in the beginning and 65.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-04 19:18:42,116 INFO L168 Benchmark]: Boogie Preprocessor took 46.87 ms. Allocated memory is still 138.4 MB. Free memory was 65.0 MB in the beginning and 62.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-04 19:18:42,117 INFO L168 Benchmark]: RCFGBuilder took 649.11 ms. Allocated memory is still 138.4 MB. Free memory was 62.9 MB in the beginning and 87.5 MB in the end (delta: -24.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-04 19:18:42,118 INFO L168 Benchmark]: TraceAbstraction took 925.40 ms. Allocated memory is still 138.4 MB. Free memory was 86.5 MB in the beginning and 40.3 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-12-04 19:18:42,119 INFO L168 Benchmark]: Witness Printer took 66.68 ms. Allocated memory is still 138.4 MB. Free memory was 40.3 MB in the beginning and 38.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-04 19:18:42,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 37.7 MB. Free memory is still 19.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4630.98 ms. Allocated memory was 46.1 MB in the beginning and 138.4 MB in the end (delta: 92.3 MB). Free memory was 24.6 MB in the beginning and 71.3 MB in the end (delta: -46.7 MB). Peak memory consumption was 72.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 191.49 ms. Allocated memory is still 138.4 MB. Free memory was 71.3 MB in the beginning and 65.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.87 ms. Allocated memory is still 138.4 MB. Free memory was 65.0 MB in the beginning and 62.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 649.11 ms. Allocated memory is still 138.4 MB. Free memory was 62.9 MB in the beginning and 87.5 MB in the end (delta: -24.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 925.40 ms. Allocated memory is still 138.4 MB. Free memory was 86.5 MB in the beginning and 40.3 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * Witness Printer took 66.68 ms. Allocated memory is still 138.4 MB. Free memory was 40.3 MB in the beginning and 38.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6802]: Loop Invariant Derived loop invariant: ((0 <= \result && \result <= 1) && ((p2 == p1 && p1 == p2) || \result <= 0)) && ((!(p2 == p1) || 1 <= \result) || !(p1 == p2)) - InvariantResult [Line: 8632]: Loop Invariant Derived loop invariant: ((((0 <= \result && \result <= 1) && 1 <= cond) && ((p2 == p1 && p1 == p2) || \result <= 0)) && cond / 256 <= 0) && ((!(p2 == p1) || 1 <= \result) || !(p1 == p2)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 9 SDslu, 3 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 68 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...