./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0158_false-valid-free.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8682b00b-e9ba-4de7-b43e-98c9b4a2d594/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8682b00b-e9ba-4de7-b43e-98c9b4a2d594/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8682b00b-e9ba-4de7-b43e-98c9b4a2d594/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8682b00b-e9ba-4de7-b43e-98c9b4a2d594/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158_false-valid-free.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8682b00b-e9ba-4de7-b43e-98c9b4a2d594/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8682b00b-e9ba-4de7-b43e-98c9b4a2d594/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 988613cde5038d59f240babca0a9fb7bbef562e6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:58:39,497 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:58:39,498 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:58:39,503 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:58:39,504 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:58:39,504 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:58:39,505 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:58:39,506 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:58:39,507 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:58:39,507 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:58:39,508 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:58:39,508 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:58:39,508 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:58:39,509 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:58:39,509 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:58:39,510 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:58:39,510 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:58:39,511 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:58:39,512 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:58:39,513 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:58:39,514 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:58:39,515 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:58:39,516 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:58:39,516 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:58:39,516 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:58:39,517 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:58:39,517 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:58:39,518 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:58:39,518 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:58:39,519 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:58:39,519 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:58:39,519 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:58:39,519 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:58:39,520 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:58:39,520 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:58:39,520 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:58:39,521 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8682b00b-e9ba-4de7-b43e-98c9b4a2d594/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-02 03:58:39,528 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:58:39,529 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:58:39,529 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:58:39,529 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 03:58:39,530 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 03:58:39,530 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 03:58:39,530 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 03:58:39,530 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:58:39,530 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:58:39,530 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 03:58:39,530 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:58:39,530 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:58:39,530 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:58:39,531 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 03:58:39,531 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 03:58:39,531 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 03:58:39,531 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:58:39,531 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:58:39,531 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:58:39,531 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:58:39,531 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 03:58:39,531 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:58:39,532 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 03:58:39,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:58:39,532 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:58:39,532 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:58:39,532 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 03:58:39,532 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:58:39,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_8682b00b-e9ba-4de7-b43e-98c9b4a2d594/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 988613cde5038d59f240babca0a9fb7bbef562e6 [2018-12-02 03:58:39,550 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:58:39,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:58:39,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:58:39,562 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:58:39,563 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:58:39,563 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8682b00b-e9ba-4de7-b43e-98c9b4a2d594/bin-2019/uautomizer/../../sv-benchmarks/c/memsafety/test-0158_false-valid-free.i [2018-12-02 03:58:39,605 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8682b00b-e9ba-4de7-b43e-98c9b4a2d594/bin-2019/uautomizer/data/170f5cfe2/6d4d7a3b7ded4576853fc844b810b7fc/FLAGd27ba3132 [2018-12-02 03:58:40,004 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:58:40,005 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8682b00b-e9ba-4de7-b43e-98c9b4a2d594/sv-benchmarks/c/memsafety/test-0158_false-valid-free.i [2018-12-02 03:58:40,014 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8682b00b-e9ba-4de7-b43e-98c9b4a2d594/bin-2019/uautomizer/data/170f5cfe2/6d4d7a3b7ded4576853fc844b810b7fc/FLAGd27ba3132 [2018-12-02 03:58:40,354 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8682b00b-e9ba-4de7-b43e-98c9b4a2d594/bin-2019/uautomizer/data/170f5cfe2/6d4d7a3b7ded4576853fc844b810b7fc [2018-12-02 03:58:40,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:58:40,360 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-02 03:58:40,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:58:40,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:58:40,366 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:58:40,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:58:40" (1/1) ... [2018-12-02 03:58:40,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75dc6678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:58:40, skipping insertion in model container [2018-12-02 03:58:40,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:58:40" (1/1) ... [2018-12-02 03:58:40,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:58:40,411 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:58:40,585 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:58:40,589 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:58:40,646 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:58:40,681 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:58:40,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:58:40 WrapperNode [2018-12-02 03:58:40,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:58:40,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:58:40,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:58:40,682 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:58:40,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:58:40" (1/1) ... [2018-12-02 03:58:40,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:58:40" (1/1) ... [2018-12-02 03:58:40,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:58:40" (1/1) ... [2018-12-02 03:58:40,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:58:40" (1/1) ... [2018-12-02 03:58:40,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:58:40" (1/1) ... [2018-12-02 03:58:40,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:58:40" (1/1) ... [2018-12-02 03:58:40,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:58:40" (1/1) ... [2018-12-02 03:58:40,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:58:40,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:58:40,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:58:40,721 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:58:40,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:58:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8682b00b-e9ba-4de7-b43e-98c9b4a2d594/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 [2018-12-02 03:58:40,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 03:58:40,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:58:40,754 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 03:58:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-12-02 03:58:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-02 03:58:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-02 03:58:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-02 03:58:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-02 03:58:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-02 03:58:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-02 03:58:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-02 03:58:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-02 03:58:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-02 03:58:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-02 03:58:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-02 03:58:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-02 03:58:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-02 03:58:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-02 03:58:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-02 03:58:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-02 03:58:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-02 03:58:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-02 03:58:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-02 03:58:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-02 03:58:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-02 03:58:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-02 03:58:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-02 03:58:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-02 03:58:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-02 03:58:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-02 03:58:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-02 03:58:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-02 03:58:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-02 03:58:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-02 03:58:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-02 03:58:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-02 03:58:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-02 03:58:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-02 03:58:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-02 03:58:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-02 03:58:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-02 03:58:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-02 03:58:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-02 03:58:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-02 03:58:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-02 03:58:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-02 03:58:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-02 03:58:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-02 03:58:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-02 03:58:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-02 03:58:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-02 03:58:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-02 03:58:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-02 03:58:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-02 03:58:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-02 03:58:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-02 03:58:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-02 03:58:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-02 03:58:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-02 03:58:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-02 03:58:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-02 03:58:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-02 03:58:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-02 03:58:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-02 03:58:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-02 03:58:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-02 03:58:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-02 03:58:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-02 03:58:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-12-02 03:58:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-02 03:58:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-02 03:58:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-02 03:58:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-02 03:58:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-02 03:58:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-02 03:58:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-02 03:58:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-02 03:58:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-02 03:58:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-02 03:58:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-02 03:58:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-02 03:58:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-02 03:58:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-02 03:58:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-02 03:58:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-02 03:58:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-02 03:58:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-02 03:58:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-02 03:58:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-02 03:58:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-02 03:58:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-02 03:58:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-02 03:58:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-02 03:58:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-02 03:58:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-02 03:58:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-02 03:58:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-02 03:58:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-02 03:58:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-02 03:58:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-02 03:58:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-02 03:58:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-02 03:58:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-02 03:58:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-02 03:58:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-02 03:58:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-02 03:58:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2018-12-02 03:58:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2018-12-02 03:58:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-02 03:58:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2018-12-02 03:58:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2018-12-02 03:58:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2018-12-02 03:58:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2018-12-02 03:58:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2018-12-02 03:58:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2018-12-02 03:58:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2018-12-02 03:58:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2018-12-02 03:58:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2018-12-02 03:58:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2018-12-02 03:58:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2018-12-02 03:58:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2018-12-02 03:58:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2018-12-02 03:58:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2018-12-02 03:58:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2018-12-02 03:58:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2018-12-02 03:58:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2018-12-02 03:58:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2018-12-02 03:58:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2018-12-02 03:58:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2018-12-02 03:58:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2018-12-02 03:58:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2018-12-02 03:58:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2018-12-02 03:58:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2018-12-02 03:58:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2018-12-02 03:58:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2018-12-02 03:58:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2018-12-02 03:58:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2018-12-02 03:58:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure __bzero [2018-12-02 03:58:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2018-12-02 03:58:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2018-12-02 03:58:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2018-12-02 03:58:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure index [2018-12-02 03:58:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2018-12-02 03:58:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2018-12-02 03:58:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2018-12-02 03:58:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2018-12-02 03:58:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2018-12-02 03:58:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2018-12-02 03:58:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2018-12-02 03:58:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2018-12-02 03:58:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2018-12-02 03:58:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2018-12-02 03:58:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 03:58:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 03:58:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 03:58:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 03:58:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 03:58:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 03:58:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 03:58:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:58:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 03:58:40,994 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:58:40,994 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-02 03:58:40,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:58:40 BoogieIcfgContainer [2018-12-02 03:58:40,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:58:40,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 03:58:40,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 03:58:40,998 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 03:58:40,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:58:40" (1/3) ... [2018-12-02 03:58:40,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3064b923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:58:40, skipping insertion in model container [2018-12-02 03:58:40,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:58:40" (2/3) ... [2018-12-02 03:58:40,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3064b923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:58:40, skipping insertion in model container [2018-12-02 03:58:40,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:58:40" (3/3) ... [2018-12-02 03:58:41,001 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0158_false-valid-free.i [2018-12-02 03:58:41,006 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 03:58:41,011 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-12-02 03:58:41,024 INFO L257 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2018-12-02 03:58:41,043 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 03:58:41,044 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 03:58:41,044 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 03:58:41,044 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 03:58:41,044 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 03:58:41,044 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 03:58:41,044 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 03:58:41,044 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 03:58:41,045 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 03:58:41,055 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2018-12-02 03:58:41,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 03:58:41,060 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:58:41,061 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:58:41,062 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 03:58:41,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:58:41,065 INFO L82 PathProgramCache]: Analyzing trace with hash 80096419, now seen corresponding path program 1 times [2018-12-02 03:58:41,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:58:41,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:58:41,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:58:41,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:58:41,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:58:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:58:41,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:58:41,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:58:41,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 03:58:41,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 03:58:41,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 03:58:41,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 03:58:41,184 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 3 states. [2018-12-02 03:58:41,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:58:41,221 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2018-12-02 03:58:41,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 03:58:41,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-02 03:58:41,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:58:41,229 INFO L225 Difference]: With dead ends: 30 [2018-12-02 03:58:41,229 INFO L226 Difference]: Without dead ends: 27 [2018-12-02 03:58:41,230 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 03:58:41,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-12-02 03:58:41,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-12-02 03:58:41,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-02 03:58:41,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2018-12-02 03:58:41,250 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 7 [2018-12-02 03:58:41,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:58:41,250 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2018-12-02 03:58:41,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 03:58:41,251 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-12-02 03:58:41,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 03:58:41,251 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:58:41,251 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:58:41,251 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 03:58:41,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:58:41,251 INFO L82 PathProgramCache]: Analyzing trace with hash 80096420, now seen corresponding path program 1 times [2018-12-02 03:58:41,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:58:41,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:58:41,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:58:41,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:58:41,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:58:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:58:41,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:58:41,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:58:41,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 03:58:41,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 03:58:41,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 03:58:41,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 03:58:41,285 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 3 states. [2018-12-02 03:58:41,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:58:41,304 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2018-12-02 03:58:41,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 03:58:41,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-02 03:58:41,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:58:41,305 INFO L225 Difference]: With dead ends: 22 [2018-12-02 03:58:41,305 INFO L226 Difference]: Without dead ends: 22 [2018-12-02 03:58:41,305 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 03:58:41,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-12-02 03:58:41,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-12-02 03:58:41,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-12-02 03:58:41,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2018-12-02 03:58:41,308 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 7 [2018-12-02 03:58:41,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:58:41,308 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2018-12-02 03:58:41,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 03:58:41,308 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2018-12-02 03:58:41,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 03:58:41,309 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:58:41,309 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:58:41,309 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 03:58:41,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:58:41,309 INFO L82 PathProgramCache]: Analyzing trace with hash -286770775, now seen corresponding path program 1 times [2018-12-02 03:58:41,309 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:58:41,310 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:58:41,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:58:41,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:58:41,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:58:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:58:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:58:41,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:58:41,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 03:58:41,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 03:58:41,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 03:58:41,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 03:58:41,360 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 5 states. [2018-12-02 03:58:41,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:58:41,384 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2018-12-02 03:58:41,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 03:58:41,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-12-02 03:58:41,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:58:41,385 INFO L225 Difference]: With dead ends: 21 [2018-12-02 03:58:41,385 INFO L226 Difference]: Without dead ends: 21 [2018-12-02 03:58:41,386 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 03:58:41,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-12-02 03:58:41,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-12-02 03:58:41,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-12-02 03:58:41,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2018-12-02 03:58:41,387 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 13 [2018-12-02 03:58:41,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:58:41,387 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2018-12-02 03:58:41,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 03:58:41,388 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2018-12-02 03:58:41,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 03:58:41,388 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:58:41,388 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:58:41,388 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 03:58:41,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:58:41,389 INFO L82 PathProgramCache]: Analyzing trace with hash -299959381, now seen corresponding path program 1 times [2018-12-02 03:58:41,389 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:58:41,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:58:41,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:58:41,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:58:41,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:58:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:58:41,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:58:41,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:58:41,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 03:58:41,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 03:58:41,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 03:58:41,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 03:58:41,432 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 5 states. [2018-12-02 03:58:41,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:58:41,470 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2018-12-02 03:58:41,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 03:58:41,471 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-12-02 03:58:41,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:58:41,471 INFO L225 Difference]: With dead ends: 20 [2018-12-02 03:58:41,471 INFO L226 Difference]: Without dead ends: 20 [2018-12-02 03:58:41,472 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 03:58:41,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-12-02 03:58:41,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-12-02 03:58:41,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-12-02 03:58:41,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2018-12-02 03:58:41,473 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 14 [2018-12-02 03:58:41,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:58:41,474 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2018-12-02 03:58:41,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 03:58:41,474 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2018-12-02 03:58:41,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 03:58:41,474 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:58:41,475 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:58:41,475 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 03:58:41,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:58:41,475 INFO L82 PathProgramCache]: Analyzing trace with hash -708806165, now seen corresponding path program 1 times [2018-12-02 03:58:41,475 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:58:41,475 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:58:41,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:58:41,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:58:41,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:58:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:58:41,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:58:41,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:58:41,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 03:58:41,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 03:58:41,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 03:58:41,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 03:58:41,514 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 6 states. [2018-12-02 03:58:41,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:58:41,560 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2018-12-02 03:58:41,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 03:58:41,560 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-12-02 03:58:41,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:58:41,560 INFO L225 Difference]: With dead ends: 19 [2018-12-02 03:58:41,560 INFO L226 Difference]: Without dead ends: 19 [2018-12-02 03:58:41,561 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 03:58:41,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-12-02 03:58:41,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-12-02 03:58:41,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-12-02 03:58:41,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2018-12-02 03:58:41,562 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 15 [2018-12-02 03:58:41,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:58:41,563 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2018-12-02 03:58:41,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 03:58:41,563 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2018-12-02 03:58:41,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 03:58:41,563 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:58:41,563 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:58:41,564 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 03:58:41,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:58:41,564 INFO L82 PathProgramCache]: Analyzing trace with hash -498154579, now seen corresponding path program 1 times [2018-12-02 03:58:41,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:58:41,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:58:41,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:58:41,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:58:41,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:58:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:58:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:58:41,592 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 03:58:41,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:58:41 BoogieIcfgContainer [2018-12-02 03:58:41,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 03:58:41,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:58:41,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:58:41,607 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:58:41,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:58:40" (3/4) ... [2018-12-02 03:58:41,609 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 03:58:41,633 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8682b00b-e9ba-4de7-b43e-98c9b4a2d594/bin-2019/uautomizer/witness.graphml [2018-12-02 03:58:41,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:58:41,634 INFO L168 Benchmark]: Toolchain (without parser) took 1275.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 72.9 MB). Free memory was 956.0 MB in the beginning and 901.1 MB in the end (delta: 54.9 MB). Peak memory consumption was 127.8 MB. Max. memory is 11.5 GB. [2018-12-02 03:58:41,635 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:58:41,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 72.9 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -90.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-02 03:58:41,636 INFO L168 Benchmark]: Boogie Preprocessor took 38.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:58:41,636 INFO L168 Benchmark]: RCFGBuilder took 274.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 991.5 MB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:58:41,636 INFO L168 Benchmark]: TraceAbstraction took 611.47 ms. Allocated memory is still 1.1 GB. Free memory was 991.5 MB in the beginning and 901.1 MB in the end (delta: 90.4 MB). Peak memory consumption was 90.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:58:41,637 INFO L168 Benchmark]: Witness Printer took 26.50 ms. Allocated memory is still 1.1 GB. Free memory is still 901.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:58:41,638 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 72.9 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -90.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 274.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 991.5 MB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 611.47 ms. Allocated memory is still 1.1 GB. Free memory was 991.5 MB in the beginning and 901.1 MB in the end (delta: 90.4 MB). Peak memory consumption was 90.4 MB. Max. memory is 11.5 GB. * Witness Printer took 26.50 ms. Allocated memory is still 1.1 GB. Free memory is still 901.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 755]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L742-L749] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L750] data.p0 = malloc(37U) VAL [data={40:0}, malloc(37U)={38:0}] [L751] data.str.p2 = &data VAL [data={40:0}, malloc(37U)={38:0}] [L752] EXPR data.p0 VAL [data={40:0}, data.p0={38:0}, malloc(37U)={38:0}] [L752] void *ptr = data.p0; [L753] data.str.c[1] = sizeof data.str.p1 VAL [data={40:0}, malloc(37U)={38:0}, ptr={38:0}] [L754] EXPR data.p0 VAL [data={40:0}, data.p0={38:0}, malloc(37U)={38:0}, ptr={38:0}] [L754] free(data.p0) VAL [data={40:0}, data.p0={38:0}, malloc(37U)={38:0}, ptr={38:0}] [L754] free(data.p0) [L755] free(ptr) VAL [data={40:0}, malloc(37U)={38:0}, ptr={38:0}] [L755] free(ptr) VAL [data={40:0}, malloc(37U)={38:0}, ptr={38:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 35 locations, 15 error locations. UNSAFE Result, 0.5s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 68 SDtfs, 71 SDslu, 82 SDs, 0 SdLazy, 87 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 2866 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...