./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_23401367-1540-4493-b5a6-17ac21150db3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_23401367-1540-4493-b5a6-17ac21150db3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_23401367-1540-4493-b5a6-17ac21150db3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_23401367-1540-4493-b5a6-17ac21150db3/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_23401367-1540-4493-b5a6-17ac21150db3/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_23401367-1540-4493-b5a6-17ac21150db3/bin/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 c58b8bb1c431fc65db9a6b9db641f8c92b59fe24 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:50:53,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:50:53,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:50:53,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:50:53,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:50:53,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:50:53,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:50:53,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:50:53,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:50:53,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:50:53,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:50:53,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:50:53,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:50:53,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:50:53,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:50:53,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:50:53,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:50:53,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:50:53,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:50:53,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:50:53,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:50:53,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:50:53,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:50:53,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:50:53,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:50:53,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:50:53,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:50:53,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:50:53,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:50:53,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:50:53,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:50:53,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:50:53,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:50:53,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:50:53,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:50:53,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:50:53,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:50:53,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:50:53,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:50:53,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:50:53,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:50:53,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_23401367-1540-4493-b5a6-17ac21150db3/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 23:50:53,220 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:50:53,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:50:53,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:50:53,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:50:53,222 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:50:53,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:50:53,223 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:50:53,223 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 23:50:53,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:50:53,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:50:53,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:50:53,224 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 23:50:53,224 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 23:50:53,224 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 23:50:53,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:50:53,225 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:50:53,225 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:50:53,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:50:53,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:50:53,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:50:53,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:50:53,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:50:53,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:50:53,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:50:53,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:50:53,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:50:53,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_23401367-1540-4493-b5a6-17ac21150db3/bin/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 -> c58b8bb1c431fc65db9a6b9db641f8c92b59fe24 [2019-11-15 23:50:53,261 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:50:53,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:50:53,274 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:50:53,276 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:50:53,276 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:50:53,277 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_23401367-1540-4493-b5a6-17ac21150db3/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2019-11-15 23:50:53,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23401367-1540-4493-b5a6-17ac21150db3/bin/uautomizer/data/7af85efb3/ecd0922760784b25a7a80c4c2fa1c784/FLAG10bf0f4f0 [2019-11-15 23:50:53,904 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:50:53,905 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_23401367-1540-4493-b5a6-17ac21150db3/sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2019-11-15 23:50:53,920 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23401367-1540-4493-b5a6-17ac21150db3/bin/uautomizer/data/7af85efb3/ecd0922760784b25a7a80c4c2fa1c784/FLAG10bf0f4f0 [2019-11-15 23:50:54,207 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_23401367-1540-4493-b5a6-17ac21150db3/bin/uautomizer/data/7af85efb3/ecd0922760784b25a7a80c4c2fa1c784 [2019-11-15 23:50:54,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:50:54,213 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 23:50:54,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:50:54,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:50:54,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:50:54,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:50:54" (1/1) ... [2019-11-15 23:50:54,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1919f153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:54, skipping insertion in model container [2019-11-15 23:50:54,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:50:54" (1/1) ... [2019-11-15 23:50:54,246 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:50:54,291 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:50:54,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:50:54,754 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:50:54,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:50:54,924 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:50:54,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:54 WrapperNode [2019-11-15 23:50:54,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:50:54,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:50:54,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:50:54,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:50:54,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:54" (1/1) ... [2019-11-15 23:50:54,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:54" (1/1) ... [2019-11-15 23:50:54,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:54" (1/1) ... [2019-11-15 23:50:54,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:54" (1/1) ... [2019-11-15 23:50:55,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:54" (1/1) ... [2019-11-15 23:50:55,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:54" (1/1) ... [2019-11-15 23:50:55,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:54" (1/1) ... [2019-11-15 23:50:55,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:50:55,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:50:55,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:50:55,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:50:55,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23401367-1540-4493-b5a6-17ac21150db3/bin/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 [2019-11-15 23:50:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 23:50:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:50:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 23:50:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 23:50:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 23:50:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 23:50:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 23:50:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 23:50:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 23:50:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 23:50:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 23:50:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 23:50:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 23:50:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 23:50:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 23:50:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 23:50:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 23:50:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 23:50:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 23:50:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 23:50:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 23:50:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 23:50:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 23:50:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 23:50:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 23:50:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 23:50:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 23:50:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 23:50:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 23:50:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 23:50:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 23:50:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 23:50:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 23:50:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 23:50:55,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 23:50:55,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 23:50:55,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 23:50:55,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 23:50:55,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 23:50:55,112 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 23:50:55,112 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 23:50:55,113 INFO L138 BoogieDeclarations]: Found implementation of procedure h_safe [2019-11-15 23:50:55,113 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 23:50:55,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 23:50:55,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 23:50:55,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 23:50:55,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 23:50:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 23:50:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 23:50:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 23:50:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 23:50:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 23:50:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 23:50:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 23:50:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 23:50:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 23:50:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 23:50:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 23:50:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 23:50:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 23:50:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 23:50:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 23:50:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 23:50:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 23:50:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 23:50:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 23:50:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 23:50:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 23:50:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 23:50:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 23:50:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 23:50:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 23:50:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 23:50:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 23:50:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 23:50:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 23:50:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 23:50:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 23:50:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 23:50:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 23:50:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 23:50:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 23:50:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 23:50:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 23:50:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 23:50:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 23:50:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 23:50:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 23:50:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 23:50:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 23:50:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 23:50:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 23:50:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 23:50:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 23:50:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 23:50:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 23:50:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 23:50:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 23:50:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 23:50:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 23:50:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 23:50:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 23:50:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 23:50:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 23:50:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 23:50:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 23:50:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 23:50:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 23:50:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 23:50:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 23:50:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 23:50:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 23:50:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 23:50:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 23:50:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 23:50:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 23:50:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 23:50:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 23:50:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 23:50:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 23:50:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 23:50:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 23:50:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 23:50:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 23:50:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 23:50:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 23:50:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 23:50:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 23:50:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 23:50:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 23:50:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 23:50:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 23:50:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 23:50:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 23:50:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 23:50:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 23:50:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 23:50:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 23:50:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 23:50:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 23:50:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 23:50:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 23:50:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 23:50:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 23:50:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 23:50:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 23:50:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 23:50:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 23:50:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 23:50:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 23:50:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 23:50:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 23:50:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 23:50:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 23:50:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 23:50:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 23:50:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 23:50:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 23:50:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 23:50:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 23:50:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 23:50:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 23:50:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 23:50:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 23:50:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 23:50:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 23:50:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 23:50:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 23:50:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 23:50:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 23:50:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 23:50:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 23:50:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 23:50:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 23:50:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 23:50:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 23:50:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 23:50:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:50:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 23:50:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 23:50:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 23:50:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 23:50:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 23:50:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 23:50:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:50:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 23:50:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 23:50:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 23:50:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 23:50:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 23:50:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 23:50:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 23:50:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 23:50:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 23:50:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 23:50:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 23:50:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 23:50:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 23:50:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 23:50:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 23:50:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 23:50:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 23:50:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure h_safe [2019-11-15 23:50:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 23:50:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 23:50:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 23:50:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:50:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 23:50:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:50:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-15 23:50:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-15 23:50:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 23:50:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 23:50:55,947 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 23:50:56,253 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 23:50:56,549 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:50:56,549 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-15 23:50:56,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:50:56 BoogieIcfgContainer [2019-11-15 23:50:56,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:50:56,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:50:56,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:50:56,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:50:56,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:50:54" (1/3) ... [2019-11-15 23:50:56,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f367cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:50:56, skipping insertion in model container [2019-11-15 23:50:56,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:54" (2/3) ... [2019-11-15 23:50:56,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f367cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:50:56, skipping insertion in model container [2019-11-15 23:50:56,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:50:56" (3/3) ... [2019-11-15 23:50:56,558 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test3-2.i [2019-11-15 23:50:56,567 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:50:56,576 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-15 23:50:56,586 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-15 23:50:56,609 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:50:56,609 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 23:50:56,609 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:50:56,609 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:50:56,609 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:50:56,610 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:50:56,610 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:50:56,610 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:50:56,632 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2019-11-15 23:50:56,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-15 23:50:56,647 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:50:56,647 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:50:56,651 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 23:50:56,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:50:56,657 INFO L82 PathProgramCache]: Analyzing trace with hash -676962440, now seen corresponding path program 1 times [2019-11-15 23:50:56,664 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:50:56,665 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522964691] [2019-11-15 23:50:56,665 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:50:56,665 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:50:56,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:50:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:50:57,036 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522964691] [2019-11-15 23:50:57,039 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:50:57,039 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 23:50:57,039 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842388946] [2019-11-15 23:50:57,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 23:50:57,044 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:50:57,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 23:50:57,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:50:57,066 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 9 states. [2019-11-15 23:50:57,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:50:57,516 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2019-11-15 23:50:57,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 23:50:57,519 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-11-15 23:50:57,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:50:57,541 INFO L225 Difference]: With dead ends: 45 [2019-11-15 23:50:57,541 INFO L226 Difference]: Without dead ends: 38 [2019-11-15 23:50:57,545 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2019-11-15 23:50:57,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-15 23:50:57,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 33. [2019-11-15 23:50:57,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-15 23:50:57,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2019-11-15 23:50:57,606 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 18 [2019-11-15 23:50:57,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:50:57,607 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2019-11-15 23:50:57,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 23:50:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2019-11-15 23:50:57,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 23:50:57,609 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:50:57,609 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:50:57,610 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 23:50:57,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:50:57,610 INFO L82 PathProgramCache]: Analyzing trace with hash 489001211, now seen corresponding path program 1 times [2019-11-15 23:50:57,611 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:50:57,611 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121828336] [2019-11-15 23:50:57,611 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:50:57,611 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:50:57,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:50:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:57,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:50:57,868 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121828336] [2019-11-15 23:50:57,868 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:50:57,869 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 23:50:57,869 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762702565] [2019-11-15 23:50:57,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 23:50:57,871 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:50:57,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 23:50:57,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:50:57,871 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 9 states. [2019-11-15 23:50:58,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:50:58,146 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2019-11-15 23:50:58,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 23:50:58,149 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2019-11-15 23:50:58,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:50:58,150 INFO L225 Difference]: With dead ends: 37 [2019-11-15 23:50:58,150 INFO L226 Difference]: Without dead ends: 37 [2019-11-15 23:50:58,151 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-15 23:50:58,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-15 23:50:58,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2019-11-15 23:50:58,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-15 23:50:58,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2019-11-15 23:50:58,164 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 19 [2019-11-15 23:50:58,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:50:58,165 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2019-11-15 23:50:58,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 23:50:58,166 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2019-11-15 23:50:58,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 23:50:58,168 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:50:58,169 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:50:58,170 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 23:50:58,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:50:58,170 INFO L82 PathProgramCache]: Analyzing trace with hash 292487706, now seen corresponding path program 1 times [2019-11-15 23:50:58,171 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:50:58,171 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403991221] [2019-11-15 23:50:58,171 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:50:58,172 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:50:58,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:50:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:58,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:50:58,434 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403991221] [2019-11-15 23:50:58,434 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:50:58,434 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 23:50:58,434 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375637310] [2019-11-15 23:50:58,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 23:50:58,435 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:50:58,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 23:50:58,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:50:58,435 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 9 states. [2019-11-15 23:50:58,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:50:58,707 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2019-11-15 23:50:58,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 23:50:58,708 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2019-11-15 23:50:58,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:50:58,710 INFO L225 Difference]: With dead ends: 34 [2019-11-15 23:50:58,710 INFO L226 Difference]: Without dead ends: 27 [2019-11-15 23:50:58,711 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2019-11-15 23:50:58,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-15 23:50:58,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2019-11-15 23:50:58,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-15 23:50:58,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2019-11-15 23:50:58,715 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 19 [2019-11-15 23:50:58,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:50:58,716 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2019-11-15 23:50:58,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 23:50:58,716 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2019-11-15 23:50:58,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-15 23:50:58,717 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:50:58,717 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:50:58,717 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 23:50:58,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:50:58,718 INFO L82 PathProgramCache]: Analyzing trace with hash -2020831270, now seen corresponding path program 1 times [2019-11-15 23:50:58,718 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:50:58,718 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335058401] [2019-11-15 23:50:58,718 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:50:58,719 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:50:58,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:50:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:50:58,856 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335058401] [2019-11-15 23:50:58,856 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:50:58,856 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 23:50:58,856 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116522419] [2019-11-15 23:50:58,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 23:50:58,857 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:50:58,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 23:50:58,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:50:58,857 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 9 states. [2019-11-15 23:50:58,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:50:58,947 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-11-15 23:50:58,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 23:50:58,947 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2019-11-15 23:50:58,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:50:58,948 INFO L225 Difference]: With dead ends: 26 [2019-11-15 23:50:58,948 INFO L226 Difference]: Without dead ends: 26 [2019-11-15 23:50:58,949 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:50:58,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-15 23:50:58,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2019-11-15 23:50:58,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-15 23:50:58,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2019-11-15 23:50:58,953 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 20 [2019-11-15 23:50:58,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:50:58,953 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2019-11-15 23:50:58,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 23:50:58,954 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2019-11-15 23:50:58,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-15 23:50:58,955 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:50:58,955 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:50:58,956 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 23:50:58,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:50:58,956 INFO L82 PathProgramCache]: Analyzing trace with hash -2020583725, now seen corresponding path program 1 times [2019-11-15 23:50:58,956 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:50:58,956 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050424815] [2019-11-15 23:50:58,956 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:50:58,957 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:50:58,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:50:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:59,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:50:59,145 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050424815] [2019-11-15 23:50:59,146 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:50:59,146 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 23:50:59,146 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222120922] [2019-11-15 23:50:59,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 23:50:59,146 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:50:59,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 23:50:59,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:50:59,147 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 9 states. [2019-11-15 23:50:59,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:50:59,233 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-11-15 23:50:59,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 23:50:59,233 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2019-11-15 23:50:59,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:50:59,234 INFO L225 Difference]: With dead ends: 24 [2019-11-15 23:50:59,234 INFO L226 Difference]: Without dead ends: 24 [2019-11-15 23:50:59,234 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:50:59,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-15 23:50:59,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-15 23:50:59,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-15 23:50:59,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2019-11-15 23:50:59,238 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 20 [2019-11-15 23:50:59,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:50:59,238 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2019-11-15 23:50:59,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 23:50:59,238 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2019-11-15 23:50:59,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-15 23:50:59,239 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:50:59,239 INFO L380 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] [2019-11-15 23:50:59,239 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 23:50:59,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:50:59,240 INFO L82 PathProgramCache]: Analyzing trace with hash -27400838, now seen corresponding path program 1 times [2019-11-15 23:50:59,240 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:50:59,240 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423694186] [2019-11-15 23:50:59,240 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:50:59,240 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:50:59,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:50:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:50:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:50:59,431 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423694186] [2019-11-15 23:50:59,432 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:50:59,432 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 23:50:59,432 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423269326] [2019-11-15 23:50:59,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 23:50:59,432 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:50:59,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 23:50:59,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-11-15 23:50:59,433 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand 10 states. [2019-11-15 23:50:59,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:50:59,545 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-11-15 23:50:59,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 23:50:59,546 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2019-11-15 23:50:59,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:50:59,546 INFO L225 Difference]: With dead ends: 23 [2019-11-15 23:50:59,546 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:50:59,547 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-11-15 23:50:59,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:50:59,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:50:59,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:50:59,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:50:59,547 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-11-15 23:50:59,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:50:59,547 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:50:59,547 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 23:50:59,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:50:59,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:50:59,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:50:59 BoogieIcfgContainer [2019-11-15 23:50:59,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:50:59,554 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:50:59,554 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:50:59,554 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:50:59,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:50:56" (3/4) ... [2019-11-15 23:50:59,558 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:50:59,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2019-11-15 23:50:59,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2019-11-15 23:50:59,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2019-11-15 23:50:59,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2019-11-15 23:50:59,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2019-11-15 23:50:59,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-11-15 23:50:59,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2019-11-15 23:50:59,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2019-11-15 23:50:59,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-15 23:50:59,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2019-11-15 23:50:59,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2019-11-15 23:50:59,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2019-11-15 23:50:59,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2019-11-15 23:50:59,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2019-11-15 23:50:59,569 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2019-11-15 23:50:59,569 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2019-11-15 23:50:59,569 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2019-11-15 23:50:59,569 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2019-11-15 23:50:59,569 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2019-11-15 23:50:59,569 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2019-11-15 23:50:59,569 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2019-11-15 23:50:59,569 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2019-11-15 23:50:59,569 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2019-11-15 23:50:59,570 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2019-11-15 23:50:59,570 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2019-11-15 23:50:59,570 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2019-11-15 23:50:59,570 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2019-11-15 23:50:59,570 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2019-11-15 23:50:59,570 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2019-11-15 23:50:59,570 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2019-11-15 23:50:59,570 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2019-11-15 23:50:59,570 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2019-11-15 23:50:59,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2019-11-15 23:50:59,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-11-15 23:50:59,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2019-11-15 23:50:59,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2019-11-15 23:50:59,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2019-11-15 23:50:59,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure h_safe [2019-11-15 23:50:59,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2019-11-15 23:50:59,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-15 23:50:59,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2019-11-15 23:50:59,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2019-11-15 23:50:59,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2019-11-15 23:50:59,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2019-11-15 23:50:59,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2019-11-15 23:50:59,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2019-11-15 23:50:59,579 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2019-11-15 23:50:59,580 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-15 23:50:59,580 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 23:50:59,580 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-15 23:50:59,581 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-15 23:50:59,652 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_23401367-1540-4493-b5a6-17ac21150db3/bin/uautomizer/witness.graphml [2019-11-15 23:50:59,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:50:59,654 INFO L168 Benchmark]: Toolchain (without parser) took 5440.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.3 MB in the beginning and 971.6 MB in the end (delta: -32.3 MB). Peak memory consumption was 108.2 MB. Max. memory is 11.5 GB. [2019-11-15 23:50:59,655 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:50:59,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-15 23:50:59,656 INFO L168 Benchmark]: Boogie Preprocessor took 111.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:50:59,658 INFO L168 Benchmark]: RCFGBuilder took 1513.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.3 MB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:50:59,659 INFO L168 Benchmark]: TraceAbstraction took 3001.83 ms. Allocated memory is still 1.2 GB. Free memory was 992.3 MB in the beginning and 978.5 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:50:59,659 INFO L168 Benchmark]: Witness Printer took 98.46 ms. Allocated memory is still 1.2 GB. Free memory was 978.5 MB in the beginning and 971.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:50:59,664 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 704.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 111.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1513.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.3 MB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3001.83 ms. Allocated memory is still 1.2 GB. Free memory was 992.3 MB in the beginning and 978.5 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Witness Printer took 98.46 ms. Allocated memory is still 1.2 GB. Free memory was 978.5 MB in the beginning and 971.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 683]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 683]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 745]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 745]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 589]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 589]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 659]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 659]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 661]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 661]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 701]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 701]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 703]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 701]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 703]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 703]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 595]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 595]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 595]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 765]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 624]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 624]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 667]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 667]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 669]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 669]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 620]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 620]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 579]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 579]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 335 locations, 74 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 124 SDtfs, 51 SDslu, 445 SDs, 0 SdLazy, 674 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 11 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 10474 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...