./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_update_all_reverse_true-unreach-call_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4f969e4b-89e7-4a45-9783-7feb7f0001f6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4f969e4b-89e7-4a45-9783-7feb7f0001f6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4f969e4b-89e7-4a45-9783-7feb7f0001f6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4f969e4b-89e7-4a45-9783-7feb7f0001f6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_update_all_reverse_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4f969e4b-89e7-4a45-9783-7feb7f0001f6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4f969e4b-89e7-4a45-9783-7feb7f0001f6/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 37440c69f444d214751d1c949a02dfc2bef21892 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 00:35:27,557 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 00:35:27,558 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 00:35:27,565 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 00:35:27,565 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 00:35:27,566 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 00:35:27,567 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 00:35:27,568 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 00:35:27,569 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 00:35:27,569 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 00:35:27,570 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 00:35:27,570 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 00:35:27,571 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 00:35:27,571 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 00:35:27,572 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 00:35:27,573 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 00:35:27,573 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 00:35:27,574 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 00:35:27,575 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 00:35:27,576 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 00:35:27,577 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 00:35:27,578 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 00:35:27,579 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 00:35:27,580 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 00:35:27,580 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 00:35:27,580 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 00:35:27,581 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 00:35:27,582 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 00:35:27,582 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 00:35:27,583 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 00:35:27,583 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 00:35:27,583 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 00:35:27,584 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 00:35:27,584 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 00:35:27,584 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 00:35:27,585 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 00:35:27,585 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4f969e4b-89e7-4a45-9783-7feb7f0001f6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 00:35:27,595 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 00:35:27,596 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 00:35:27,596 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 00:35:27,596 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 00:35:27,597 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 00:35:27,597 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 00:35:27,597 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 00:35:27,597 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 00:35:27,597 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 00:35:27,598 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 00:35:27,598 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 00:35:27,598 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 00:35:27,598 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 00:35:27,598 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 00:35:27,598 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 00:35:27,598 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 00:35:27,599 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 00:35:27,599 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 00:35:27,599 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 00:35:27,599 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 00:35:27,599 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 00:35:27,599 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 00:35:27,599 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 00:35:27,600 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 00:35:27,600 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 00:35:27,600 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 00:35:27,600 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 00:35:27,600 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 00:35:27,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 00:35:27,600 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_4f969e4b-89e7-4a45-9783-7feb7f0001f6/bin-2019/uautomizer 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(__VERIFIER_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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37440c69f444d214751d1c949a02dfc2bef21892 [2018-11-10 00:35:27,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 00:35:27,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 00:35:27,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 00:35:27,631 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 00:35:27,631 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 00:35:27,632 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4f969e4b-89e7-4a45-9783-7feb7f0001f6/bin-2019/uautomizer/../../sv-benchmarks/c/list-simple/dll2n_update_all_reverse_true-unreach-call_true-valid-memsafety.i [2018-11-10 00:35:27,666 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f969e4b-89e7-4a45-9783-7feb7f0001f6/bin-2019/uautomizer/data/0531c21c6/21fb695686314e42aa014c4e6afd1c35/FLAGf3eaef1f1 [2018-11-10 00:35:28,096 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 00:35:28,097 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4f969e4b-89e7-4a45-9783-7feb7f0001f6/sv-benchmarks/c/list-simple/dll2n_update_all_reverse_true-unreach-call_true-valid-memsafety.i [2018-11-10 00:35:28,104 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f969e4b-89e7-4a45-9783-7feb7f0001f6/bin-2019/uautomizer/data/0531c21c6/21fb695686314e42aa014c4e6afd1c35/FLAGf3eaef1f1 [2018-11-10 00:35:28,112 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4f969e4b-89e7-4a45-9783-7feb7f0001f6/bin-2019/uautomizer/data/0531c21c6/21fb695686314e42aa014c4e6afd1c35 [2018-11-10 00:35:28,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 00:35:28,114 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 00:35:28,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 00:35:28,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 00:35:28,117 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 00:35:28,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:35:28" (1/1) ... [2018-11-10 00:35:28,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d9ec01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:35:28, skipping insertion in model container [2018-11-10 00:35:28,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:35:28" (1/1) ... [2018-11-10 00:35:28,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 00:35:28,152 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 00:35:28,336 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 00:35:28,343 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 00:35:28,375 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 00:35:28,407 INFO L193 MainTranslator]: Completed translation [2018-11-10 00:35:28,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:35:28 WrapperNode [2018-11-10 00:35:28,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 00:35:28,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 00:35:28,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 00:35:28,409 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 00:35:28,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:35:28" (1/1) ... [2018-11-10 00:35:28,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:35:28" (1/1) ... [2018-11-10 00:35:28,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:35:28" (1/1) ... [2018-11-10 00:35:28,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:35:28" (1/1) ... [2018-11-10 00:35:28,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:35:28" (1/1) ... [2018-11-10 00:35:28,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:35:28" (1/1) ... [2018-11-10 00:35:28,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:35:28" (1/1) ... [2018-11-10 00:35:28,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 00:35:28,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 00:35:28,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 00:35:28,493 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 00:35:28,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:35:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f969e4b-89e7-4a45-9783-7feb7f0001f6/bin-2019/uautomizer/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 [2018-11-10 00:35:28,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 00:35:28,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 00:35:28,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-10 00:35:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-10 00:35:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure exit [2018-11-10 00:35:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2018-11-10 00:35:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2018-11-10 00:35:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2018-11-10 00:35:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2018-11-10 00:35:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2018-11-10 00:35:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 00:35:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 00:35:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-10 00:35:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-10 00:35:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-10 00:35:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-10 00:35:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-10 00:35:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-10 00:35:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-10 00:35:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-10 00:35:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-10 00:35:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-10 00:35:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-10 00:35:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-10 00:35:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-10 00:35:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-10 00:35:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-10 00:35:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-10 00:35:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-10 00:35:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-10 00:35:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-10 00:35:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-10 00:35:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-10 00:35:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-10 00:35:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-10 00:35:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-10 00:35:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-10 00:35:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-10 00:35:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-10 00:35:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-10 00:35:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-10 00:35:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-10 00:35:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-10 00:35:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-10 00:35:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-10 00:35:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-10 00:35:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-10 00:35:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-10 00:35:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-10 00:35:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-10 00:35:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-10 00:35:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-10 00:35:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-10 00:35:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-10 00:35:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-10 00:35:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-10 00:35:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-10 00:35:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-10 00:35:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-10 00:35:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-10 00:35:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-10 00:35:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-10 00:35:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-10 00:35:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-10 00:35:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-10 00:35:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-10 00:35:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-10 00:35:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-10 00:35:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-10 00:35:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-10 00:35:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-10 00:35:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-10 00:35:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-10 00:35:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-10 00:35:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-10 00:35:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-10 00:35:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-10 00:35:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 00:35:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-10 00:35:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-10 00:35:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-10 00:35:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-10 00:35:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-10 00:35:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-10 00:35:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-10 00:35:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-10 00:35:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-10 00:35:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-10 00:35:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-10 00:35:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-10 00:35:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-10 00:35:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-10 00:35:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-10 00:35:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-10 00:35:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-10 00:35:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-10 00:35:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-10 00:35:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-10 00:35:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-10 00:35:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-10 00:35:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-10 00:35:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-10 00:35:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-10 00:35:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-10 00:35:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-10 00:35:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-10 00:35:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-10 00:35:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-10 00:35:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-10 00:35:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-10 00:35:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-10 00:35:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-10 00:35:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-10 00:35:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-10 00:35:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-10 00:35:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-10 00:35:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-10 00:35:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2018-11-10 00:35:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 00:35:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-10 00:35:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 00:35:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2018-11-10 00:35:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2018-11-10 00:35:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-10 00:35:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 00:35:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2018-11-10 00:35:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 00:35:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2018-11-10 00:35:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 00:35:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 00:35:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 00:35:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 00:35:28,918 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 00:35:28,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:35:28 BoogieIcfgContainer [2018-11-10 00:35:28,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 00:35:28,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 00:35:28,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 00:35:28,921 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 00:35:28,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:35:28" (1/3) ... [2018-11-10 00:35:28,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7cfa2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:35:28, skipping insertion in model container [2018-11-10 00:35:28,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:35:28" (2/3) ... [2018-11-10 00:35:28,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7cfa2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:35:28, skipping insertion in model container [2018-11-10 00:35:28,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:35:28" (3/3) ... [2018-11-10 00:35:28,924 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse_true-unreach-call_true-valid-memsafety.i [2018-11-10 00:35:28,932 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 00:35:28,938 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 00:35:28,950 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 00:35:28,976 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 00:35:28,976 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 00:35:28,976 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 00:35:28,977 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 00:35:28,977 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 00:35:28,977 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 00:35:28,977 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 00:35:28,977 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 00:35:28,977 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 00:35:28,992 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2018-11-10 00:35:28,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 00:35:28,997 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 00:35:28,998 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 00:35:28,999 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 00:35:29,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:35:29,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1937781678, now seen corresponding path program 1 times [2018-11-10 00:35:29,006 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 00:35:29,006 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 00:35:29,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:35:29,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 00:35:29,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:35:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:29,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:35:29,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 00:35:29,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 00:35:29,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 00:35:29,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 00:35:29,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 00:35:29,114 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2018-11-10 00:35:29,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 00:35:29,129 INFO L93 Difference]: Finished difference Result 120 states and 146 transitions. [2018-11-10 00:35:29,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 00:35:29,130 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-11-10 00:35:29,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 00:35:29,135 INFO L225 Difference]: With dead ends: 120 [2018-11-10 00:35:29,135 INFO L226 Difference]: Without dead ends: 53 [2018-11-10 00:35:29,137 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 00:35:29,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-10 00:35:29,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-11-10 00:35:29,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-10 00:35:29,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2018-11-10 00:35:29,166 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 27 [2018-11-10 00:35:29,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 00:35:29,166 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2018-11-10 00:35:29,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 00:35:29,166 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2018-11-10 00:35:29,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 00:35:29,167 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 00:35:29,167 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 00:35:29,167 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 00:35:29,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:35:29,168 INFO L82 PathProgramCache]: Analyzing trace with hash 186732225, now seen corresponding path program 1 times [2018-11-10 00:35:29,168 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 00:35:29,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 00:35:29,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:35:29,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 00:35:29,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:35:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:35:29,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 00:35:29,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 00:35:29,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 00:35:29,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 00:35:29,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 00:35:29,239 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand 4 states. [2018-11-10 00:35:29,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 00:35:29,277 INFO L93 Difference]: Finished difference Result 60 states and 67 transitions. [2018-11-10 00:35:29,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 00:35:29,278 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-11-10 00:35:29,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 00:35:29,278 INFO L225 Difference]: With dead ends: 60 [2018-11-10 00:35:29,278 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 00:35:29,279 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 00:35:29,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 00:35:29,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 00:35:29,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 00:35:29,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 00:35:29,279 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-11-10 00:35:29,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 00:35:29,280 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 00:35:29,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 00:35:29,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 00:35:29,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 00:35:29,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 00:35:29,319 INFO L425 ceAbstractionStarter]: For program point L608(line 608) no Hoare annotation was computed. [2018-11-10 00:35:29,319 INFO L425 ceAbstractionStarter]: For program point L608-1(line 608) no Hoare annotation was computed. [2018-11-10 00:35:29,319 INFO L425 ceAbstractionStarter]: For program point L607-1(lines 607 610) no Hoare annotation was computed. [2018-11-10 00:35:29,319 INFO L428 ceAbstractionStarter]: At program point L607-3(lines 607 610) the Hoare annotation is: true [2018-11-10 00:35:29,319 INFO L425 ceAbstractionStarter]: For program point L607-4(lines 607 610) no Hoare annotation was computed. [2018-11-10 00:35:29,319 INFO L428 ceAbstractionStarter]: At program point dll_update_atENTRY(lines 606 612) the Hoare annotation is: true [2018-11-10 00:35:29,319 INFO L425 ceAbstractionStarter]: For program point dll_update_atEXIT(lines 606 612) no Hoare annotation was computed. [2018-11-10 00:35:29,319 INFO L425 ceAbstractionStarter]: For program point dll_update_atFINAL(lines 606 612) no Hoare annotation was computed. [2018-11-10 00:35:29,319 INFO L425 ceAbstractionStarter]: For program point exitEXIT(lines 561 563) no Hoare annotation was computed. [2018-11-10 00:35:29,320 INFO L428 ceAbstractionStarter]: At program point exitENTRY(lines 561 563) the Hoare annotation is: true [2018-11-10 00:35:29,320 INFO L425 ceAbstractionStarter]: For program point exitFINAL(lines 561 563) no Hoare annotation was computed. [2018-11-10 00:35:29,320 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-10 00:35:29,320 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 00:35:29,320 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 00:35:29,320 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 00:35:29,320 INFO L425 ceAbstractionStarter]: For program point L578-1(lines 578 580) no Hoare annotation was computed. [2018-11-10 00:35:29,320 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 576 589) no Hoare annotation was computed. [2018-11-10 00:35:29,320 INFO L428 ceAbstractionStarter]: At program point dll_createENTRY(lines 574 591) the Hoare annotation is: true [2018-11-10 00:35:29,320 INFO L428 ceAbstractionStarter]: At program point L576-3(lines 576 589) the Hoare annotation is: true [2018-11-10 00:35:29,320 INFO L425 ceAbstractionStarter]: For program point L576-4(lines 576 589) no Hoare annotation was computed. [2018-11-10 00:35:29,320 INFO L425 ceAbstractionStarter]: For program point dll_createFINAL(lines 574 591) no Hoare annotation was computed. [2018-11-10 00:35:29,320 INFO L425 ceAbstractionStarter]: For program point L585(line 585) no Hoare annotation was computed. [2018-11-10 00:35:29,320 INFO L425 ceAbstractionStarter]: For program point L583(lines 576 589) no Hoare annotation was computed. [2018-11-10 00:35:29,320 INFO L425 ceAbstractionStarter]: For program point L581(line 581) no Hoare annotation was computed. [2018-11-10 00:35:29,320 INFO L428 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2018-11-10 00:35:29,320 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-10 00:35:29,320 INFO L425 ceAbstractionStarter]: For program point L577-1(line 577) no Hoare annotation was computed. [2018-11-10 00:35:29,321 INFO L425 ceAbstractionStarter]: For program point dll_createEXIT(lines 574 591) no Hoare annotation was computed. [2018-11-10 00:35:29,321 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 586) no Hoare annotation was computed. [2018-11-10 00:35:29,321 INFO L425 ceAbstractionStarter]: For program point L582(line 582) no Hoare annotation was computed. [2018-11-10 00:35:29,321 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 580) no Hoare annotation was computed. [2018-11-10 00:35:29,321 INFO L425 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2018-11-10 00:35:29,321 INFO L425 ceAbstractionStarter]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2018-11-10 00:35:29,321 INFO L425 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2018-11-10 00:35:29,321 INFO L425 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2018-11-10 00:35:29,321 INFO L425 ceAbstractionStarter]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2018-11-10 00:35:29,321 INFO L425 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2018-11-10 00:35:29,321 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 00:35:29,321 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 00:35:29,321 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 00:35:29,321 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 00:35:29,321 INFO L425 ceAbstractionStarter]: For program point L604(line 604) no Hoare annotation was computed. [2018-11-10 00:35:29,321 INFO L425 ceAbstractionStarter]: For program point L601(line 601) no Hoare annotation was computed. [2018-11-10 00:35:29,321 INFO L425 ceAbstractionStarter]: For program point L601-1(line 601) no Hoare annotation was computed. [2018-11-10 00:35:29,322 INFO L425 ceAbstractionStarter]: For program point L600-1(lines 600 603) no Hoare annotation was computed. [2018-11-10 00:35:29,322 INFO L428 ceAbstractionStarter]: At program point L600-3(lines 600 603) the Hoare annotation is: true [2018-11-10 00:35:29,322 INFO L425 ceAbstractionStarter]: For program point L600-4(lines 600 603) no Hoare annotation was computed. [2018-11-10 00:35:29,322 INFO L425 ceAbstractionStarter]: For program point dll_get_data_atFINAL(lines 599 605) no Hoare annotation was computed. [2018-11-10 00:35:29,322 INFO L428 ceAbstractionStarter]: At program point dll_get_data_atENTRY(lines 599 605) the Hoare annotation is: true [2018-11-10 00:35:29,322 INFO L425 ceAbstractionStarter]: For program point dll_get_data_atEXIT(lines 599 605) no Hoare annotation was computed. [2018-11-10 00:35:29,322 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 613 632) no Hoare annotation was computed. [2018-11-10 00:35:29,322 INFO L425 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2018-11-10 00:35:29,322 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2018-11-10 00:35:29,322 INFO L421 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: false [2018-11-10 00:35:29,322 INFO L425 ceAbstractionStarter]: For program point L624-1(line 624) no Hoare annotation was computed. [2018-11-10 00:35:29,322 INFO L425 ceAbstractionStarter]: For program point L624-2(lines 624 626) no Hoare annotation was computed. [2018-11-10 00:35:29,322 INFO L425 ceAbstractionStarter]: For program point L622-1(lines 622 627) no Hoare annotation was computed. [2018-11-10 00:35:29,322 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 613 632) no Hoare annotation was computed. [2018-11-10 00:35:29,323 INFO L421 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (<= 2 main_~len~0) [2018-11-10 00:35:29,323 INFO L425 ceAbstractionStarter]: For program point L620-1(lines 618 621) no Hoare annotation was computed. [2018-11-10 00:35:29,323 INFO L425 ceAbstractionStarter]: For program point L622-3(lines 622 627) no Hoare annotation was computed. [2018-11-10 00:35:29,323 INFO L421 ceAbstractionStarter]: At program point L622-4(lines 622 627) the Hoare annotation is: (and (<= 1 main_~i~0) (<= 2 main_~len~0)) [2018-11-10 00:35:29,323 INFO L425 ceAbstractionStarter]: For program point L618-1(lines 618 621) no Hoare annotation was computed. [2018-11-10 00:35:29,323 INFO L428 ceAbstractionStarter]: At program point L622-5(lines 622 627) the Hoare annotation is: true [2018-11-10 00:35:29,323 INFO L421 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (<= 2 main_~len~0) [2018-11-10 00:35:29,323 INFO L425 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2018-11-10 00:35:29,323 INFO L421 ceAbstractionStarter]: At program point L618-3(lines 618 621) the Hoare annotation is: (<= 2 main_~len~0) [2018-11-10 00:35:29,323 INFO L425 ceAbstractionStarter]: For program point L618-4(lines 618 621) no Hoare annotation was computed. [2018-11-10 00:35:29,323 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 613 632) the Hoare annotation is: true [2018-11-10 00:35:29,323 INFO L421 ceAbstractionStarter]: At program point L625(lines 613 632) the Hoare annotation is: false [2018-11-10 00:35:29,324 INFO L425 ceAbstractionStarter]: For program point dll_destroyEXIT(lines 592 598) no Hoare annotation was computed. [2018-11-10 00:35:29,324 INFO L428 ceAbstractionStarter]: At program point dll_destroyENTRY(lines 592 598) the Hoare annotation is: true [2018-11-10 00:35:29,324 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-10 00:35:29,324 INFO L425 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2018-11-10 00:35:29,324 INFO L425 ceAbstractionStarter]: For program point L595-1(line 595) no Hoare annotation was computed. [2018-11-10 00:35:29,324 INFO L425 ceAbstractionStarter]: For program point L594-1(line 594) no Hoare annotation was computed. [2018-11-10 00:35:29,324 INFO L425 ceAbstractionStarter]: For program point L593-1(lines 593 597) no Hoare annotation was computed. [2018-11-10 00:35:29,324 INFO L428 ceAbstractionStarter]: At program point L593-3(lines 593 597) the Hoare annotation is: true [2018-11-10 00:35:29,324 INFO L425 ceAbstractionStarter]: For program point L593-4(lines 592 598) no Hoare annotation was computed. [2018-11-10 00:35:29,324 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-10 00:35:29,324 INFO L425 ceAbstractionStarter]: For program point node_createENTRY(lines 564 573) no Hoare annotation was computed. [2018-11-10 00:35:29,324 INFO L425 ceAbstractionStarter]: For program point L570(line 570) no Hoare annotation was computed. [2018-11-10 00:35:29,324 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-10 00:35:29,324 INFO L425 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-11-10 00:35:29,324 INFO L425 ceAbstractionStarter]: For program point L566(lines 566 568) no Hoare annotation was computed. [2018-11-10 00:35:29,324 INFO L425 ceAbstractionStarter]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2018-11-10 00:35:29,325 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-10 00:35:29,325 INFO L425 ceAbstractionStarter]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2018-11-10 00:35:29,325 INFO L425 ceAbstractionStarter]: For program point L565-1(line 565) no Hoare annotation was computed. [2018-11-10 00:35:29,325 INFO L425 ceAbstractionStarter]: For program point node_createFINAL(lines 564 573) no Hoare annotation was computed. [2018-11-10 00:35:29,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:35:29 BoogieIcfgContainer [2018-11-10 00:35:29,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 00:35:29,333 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 00:35:29,333 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 00:35:29,334 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 00:35:29,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:35:28" (3/4) ... [2018-11-10 00:35:29,337 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 00:35:29,341 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure dll_update_at [2018-11-10 00:35:29,341 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure exit [2018-11-10 00:35:29,341 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 00:35:29,341 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure dll_create [2018-11-10 00:35:29,341 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2018-11-10 00:35:29,341 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2018-11-10 00:35:29,341 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure dll_get_data_at [2018-11-10 00:35:29,341 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 00:35:29,341 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure dll_destroy [2018-11-10 00:35:29,341 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2018-11-10 00:35:29,344 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2018-11-10 00:35:29,345 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 00:35:29,345 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 00:35:29,376 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4f969e4b-89e7-4a45-9783-7feb7f0001f6/bin-2019/uautomizer/witness.graphml [2018-11-10 00:35:29,376 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 00:35:29,377 INFO L168 Benchmark]: Toolchain (without parser) took 1263.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 957.6 MB in the beginning and 1.0 GB in the end (delta: -83.2 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. [2018-11-10 00:35:29,378 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 00:35:29,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.41 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 928.1 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 00:35:29,378 INFO L168 Benchmark]: Boogie Preprocessor took 84.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 928.1 MB in the beginning and 1.1 GB in the end (delta: -215.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 00:35:29,379 INFO L168 Benchmark]: RCFGBuilder took 425.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. [2018-11-10 00:35:29,379 INFO L168 Benchmark]: TraceAbstraction took 413.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-10 00:35:29,379 INFO L168 Benchmark]: Witness Printer took 42.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 00:35:29,380 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.41 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 928.1 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 928.1 MB in the beginning and 1.1 GB in the end (delta: -215.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 425.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 413.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Witness Printer took 42.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 630]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 <= i && 2 <= len - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 2 <= len - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 90 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 115 SDtfs, 11 SDslu, 66 SDs, 0 SdLazy, 7 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 29 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 29 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 1749 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...