./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-2.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/working_dir_ee5d06a7-4162-4df4-bb6e-7d891ec5b08a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ee5d06a7-4162-4df4-bb6e-7d891ec5b08a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ee5d06a7-4162-4df4-bb6e-7d891ec5b08a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ee5d06a7-4162-4df4-bb6e-7d891ec5b08a/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ee5d06a7-4162-4df4-bb6e-7d891ec5b08a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ee5d06a7-4162-4df4-bb6e-7d891ec5b08a/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 46ca4cc321f66643bb303146077f836b6b81d33d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:55:48,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:55:48,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:55:48,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:55:48,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:55:48,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:55:48,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:55:48,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:55:48,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:55:48,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:55:48,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:55:48,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:55:48,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:55:48,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:55:48,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:55:48,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:55:48,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:55:48,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:55:48,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:55:48,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:55:48,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:55:48,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:55:48,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:55:48,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:55:48,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:55:48,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:55:48,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:55:48,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:55:48,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:55:48,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:55:48,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:55:48,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:55:48,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:55:48,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:55:48,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:55:48,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:55:48,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:55:48,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:55:48,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:55:48,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:55:48,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:55:48,080 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ee5d06a7-4162-4df4-bb6e-7d891ec5b08a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 08:55:48,090 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:55:48,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:55:48,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:55:48,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:55:48,091 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:55:48,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:55:48,092 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:55:48,092 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:55:48,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:55:48,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:55:48,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:55:48,093 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 08:55:48,093 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 08:55:48,093 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 08:55:48,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:55:48,093 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:55:48,093 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:55:48,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:55:48,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:55:48,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:55:48,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:55:48,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:55:48,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:55:48,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:55:48,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:55:48,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:55:48,096 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/working_dir_ee5d06a7-4162-4df4-bb6e-7d891ec5b08a/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 -> 46ca4cc321f66643bb303146077f836b6b81d33d [2019-10-22 08:55:48,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:55:48,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:55:48,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:55:48,139 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:55:48,140 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:55:48,140 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ee5d06a7-4162-4df4-bb6e-7d891ec5b08a/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-2.i [2019-10-22 08:55:48,200 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee5d06a7-4162-4df4-bb6e-7d891ec5b08a/bin/uautomizer/data/5fa6b08ce/d23c09471eb84a5ea0cdeb7918b78e7f/FLAGfbde91468 [2019-10-22 08:55:48,671 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:55:48,672 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ee5d06a7-4162-4df4-bb6e-7d891ec5b08a/sv-benchmarks/c/ldv-memsafety/memleaks_test4-2.i [2019-10-22 08:55:48,683 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee5d06a7-4162-4df4-bb6e-7d891ec5b08a/bin/uautomizer/data/5fa6b08ce/d23c09471eb84a5ea0cdeb7918b78e7f/FLAGfbde91468 [2019-10-22 08:55:49,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ee5d06a7-4162-4df4-bb6e-7d891ec5b08a/bin/uautomizer/data/5fa6b08ce/d23c09471eb84a5ea0cdeb7918b78e7f [2019-10-22 08:55:49,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:55:49,174 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 08:55:49,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:49,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:55:49,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:55:49,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:49" (1/1) ... [2019-10-22 08:55:49,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b5e2800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:49, skipping insertion in model container [2019-10-22 08:55:49,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:49" (1/1) ... [2019-10-22 08:55:49,190 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:55:49,243 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:55:49,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:49,804 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:55:49,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:49,937 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:55:49,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:49 WrapperNode [2019-10-22 08:55:49,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:49,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:55:49,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:55:49,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:55:49,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:49" (1/1) ... [2019-10-22 08:55:49,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:49" (1/1) ... [2019-10-22 08:55:49,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:49" (1/1) ... [2019-10-22 08:55:49,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:49" (1/1) ... [2019-10-22 08:55:50,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:49" (1/1) ... [2019-10-22 08:55:50,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:49" (1/1) ... [2019-10-22 08:55:50,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:49" (1/1) ... [2019-10-22 08:55:50,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:55:50,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:55:50,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:55:50,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:55:50,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee5d06a7-4162-4df4-bb6e-7d891ec5b08a/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 [2019-10-22 08:55:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 08:55:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:55:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-22 08:55:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 08:55:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 08:55:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 08:55:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 08:55:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 08:55:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-10-22 08:55:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-10-22 08:55:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-22 08:55:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-22 08:55:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-10-22 08:55:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-10-22 08:55:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-10-22 08:55:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-10-22 08:55:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-10-22 08:55:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-10-22 08:55:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-10-22 08:55:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-10-22 08:55:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-10-22 08:55:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-10-22 08:55:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-10-22 08:55:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-22 08:55:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-22 08:55:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-10-22 08:55:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-10-22 08:55:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-10-22 08:55:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-10-22 08:55:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-10-22 08:55:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-10-22 08:55:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-10-22 08:55:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-10-22 08:55:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-10-22 08:55:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-10-22 08:55:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-10-22 08:55:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-10-22 08:55:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-10-22 08:55:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-10-22 08:55:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-10-22 08:55:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-10-22 08:55:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-10-22 08:55:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 08:55:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-22 08:55:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-22 08:55:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-22 08:55:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 08:55:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 08:55:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 08:55:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 08:55:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 08:55:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 08:55:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 08:55:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 08:55:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 08:55:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 08:55:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 08:55:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 08:55:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 08:55:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 08:55:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 08:55:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 08:55:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 08:55:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 08:55:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 08:55:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 08:55:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 08:55:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 08:55:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 08:55:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 08:55:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 08:55:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 08:55:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 08:55:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 08:55:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 08:55:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 08:55:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 08:55:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 08:55:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 08:55:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 08:55:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 08:55:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 08:55:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 08:55:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 08:55:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 08:55:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 08:55:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 08:55:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 08:55:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 08:55:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 08:55:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 08:55:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 08:55:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 08:55:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 08:55:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 08:55:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 08:55:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 08:55:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 08:55:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 08:55:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 08:55:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 08:55:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 08:55:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 08:55:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 08:55:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 08:55:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 08:55:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 08:55:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 08:55:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 08:55:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 08:55:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 08:55:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 08:55:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 08:55:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 08:55:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 08:55:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 08:55:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 08:55:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 08:55:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 08:55:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 08:55:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 08:55:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 08:55:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 08:55:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 08:55:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 08:55:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 08:55:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 08:55:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 08:55:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 08:55:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 08:55:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 08:55:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 08:55:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 08:55:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 08:55:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 08:55:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 08:55:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 08:55:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 08:55:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 08:55:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 08:55:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 08:55:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 08:55:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 08:55:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 08:55:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 08:55:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 08:55:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 08:55:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 08:55:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 08:55:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 08:55:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 08:55:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 08:55:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 08:55:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-22 08:55:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 08:55:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-22 08:55:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-10-22 08:55:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-10-22 08:55:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-22 08:55:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-22 08:55:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-22 08:55:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:55:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-22 08:55:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-22 08:55:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-10-22 08:55:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:55:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-10-22 08:55:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-10-22 08:55:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-10-22 08:55:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:55:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-10-22 08:55:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-10-22 08:55:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-10-22 08:55:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-10-22 08:55:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-22 08:55:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-10-22 08:55:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:55:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-10-22 08:55:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-10-22 08:55:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-22 08:55:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-22 08:55:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-10-22 08:55:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:55:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:55:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-10-22 08:55:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-10-22 08:55:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-22 08:55:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-10-22 08:55:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-10-22 08:55:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-10-22 08:55:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-10-22 08:55:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-10-22 08:55:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-10-22 08:55:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-10-22 08:55:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-10-22 08:55:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-10-22 08:55:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-10-22 08:55:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-10-22 08:55:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-22 08:55:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-10-22 08:55:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-10-22 08:55:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-10-22 08:55:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 08:55:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 08:55:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:55:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 08:55:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:55:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-22 08:55:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-22 08:55:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-22 08:55:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-22 08:55:50,600 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:55:50,793 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:55:51,047 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:55:51,048 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-22 08:55:51,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:51 BoogieIcfgContainer [2019-10-22 08:55:51,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:55:51,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:55:51,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:55:51,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:55:51,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:55:49" (1/3) ... [2019-10-22 08:55:51,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350cac10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:51, skipping insertion in model container [2019-10-22 08:55:51,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:49" (2/3) ... [2019-10-22 08:55:51,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350cac10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:51, skipping insertion in model container [2019-10-22 08:55:51,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:51" (3/3) ... [2019-10-22 08:55:51,061 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test4-2.i [2019-10-22 08:55:51,071 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:55:51,079 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 77 error locations. [2019-10-22 08:55:51,090 INFO L249 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2019-10-22 08:55:51,111 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:55:51,111 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 08:55:51,111 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:55:51,111 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:55:51,111 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:55:51,111 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:55:51,111 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:55:51,112 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:55:51,131 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2019-10-22 08:55:51,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 08:55:51,141 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:51,142 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:51,144 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:55:51,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:51,149 INFO L82 PathProgramCache]: Analyzing trace with hash 356600678, now seen corresponding path program 1 times [2019-10-22 08:55:51,160 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:51,160 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870494755] [2019-10-22 08:55:51,161 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:51,161 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:51,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:51,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:51,511 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870494755] [2019-10-22 08:55:51,512 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:51,513 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:55:51,513 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815428700] [2019-10-22 08:55:51,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:55:51,519 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:51,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:55:51,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:55:51,535 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 7 states. [2019-10-22 08:55:51,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:51,781 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2019-10-22 08:55:51,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:55:51,784 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2019-10-22 08:55:51,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:51,795 INFO L225 Difference]: With dead ends: 64 [2019-10-22 08:55:51,797 INFO L226 Difference]: Without dead ends: 57 [2019-10-22 08:55:51,799 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:55:51,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-10-22 08:55:51,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 31. [2019-10-22 08:55:51,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-22 08:55:51,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2019-10-22 08:55:51,849 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 16 [2019-10-22 08:55:51,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:51,850 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2019-10-22 08:55:51,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:55:51,850 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2019-10-22 08:55:51,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 08:55:51,852 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:51,852 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:51,852 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:55:51,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:51,853 INFO L82 PathProgramCache]: Analyzing trace with hash -986162277, now seen corresponding path program 1 times [2019-10-22 08:55:51,853 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:51,853 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489941912] [2019-10-22 08:55:51,853 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:51,854 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:51,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 08:55:52,015 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489941912] [2019-10-22 08:55:52,015 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:52,015 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:55:52,015 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272252957] [2019-10-22 08:55:52,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:55:52,017 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:52,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:55:52,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:55:52,018 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 7 states. [2019-10-22 08:55:52,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:52,215 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2019-10-22 08:55:52,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:55:52,216 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2019-10-22 08:55:52,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:52,217 INFO L225 Difference]: With dead ends: 41 [2019-10-22 08:55:52,217 INFO L226 Difference]: Without dead ends: 41 [2019-10-22 08:55:52,218 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:55:52,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-10-22 08:55:52,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 30. [2019-10-22 08:55:52,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-22 08:55:52,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2019-10-22 08:55:52,224 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2019-10-22 08:55:52,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:52,224 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2019-10-22 08:55:52,225 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:55:52,225 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-10-22 08:55:52,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 08:55:52,225 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:52,225 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:52,226 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:55:52,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:52,227 INFO L82 PathProgramCache]: Analyzing trace with hash -506259142, now seen corresponding path program 1 times [2019-10-22 08:55:52,227 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:52,227 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915966329] [2019-10-22 08:55:52,227 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:52,227 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:52,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:52,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 08:55:52,388 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915966329] [2019-10-22 08:55:52,389 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:52,389 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:55:52,389 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234689638] [2019-10-22 08:55:52,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:55:52,389 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:52,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:55:52,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:55:52,390 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 7 states. [2019-10-22 08:55:52,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:52,565 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2019-10-22 08:55:52,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:55:52,565 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-10-22 08:55:52,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:52,566 INFO L225 Difference]: With dead ends: 44 [2019-10-22 08:55:52,566 INFO L226 Difference]: Without dead ends: 44 [2019-10-22 08:55:52,567 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:55:52,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-10-22 08:55:52,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 35. [2019-10-22 08:55:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-10-22 08:55:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2019-10-22 08:55:52,573 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 21 [2019-10-22 08:55:52,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:52,573 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2019-10-22 08:55:52,573 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:55:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2019-10-22 08:55:52,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 08:55:52,574 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:52,574 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:52,575 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:55:52,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:52,575 INFO L82 PathProgramCache]: Analyzing trace with hash -477629991, now seen corresponding path program 1 times [2019-10-22 08:55:52,575 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:52,575 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870488045] [2019-10-22 08:55:52,576 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:52,576 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:52,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:52,647 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:55:52,648 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:55:52,671 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-10-22 08:55:52,672 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-10-22 08:55:52,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:55:52 BoogieIcfgContainer [2019-10-22 08:55:52,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:55:52,680 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:55:52,680 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:55:52,680 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:55:52,681 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:51" (3/4) ... [2019-10-22 08:55:52,683 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 08:55:52,686 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-10-22 08:55:52,686 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-10-22 08:55:52,725 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ee5d06a7-4162-4df4-bb6e-7d891ec5b08a/bin/uautomizer/witness.graphml [2019-10-22 08:55:52,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:55:52,727 INFO L168 Benchmark]: Toolchain (without parser) took 3552.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:52,727 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:52,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:52,729 INFO L168 Benchmark]: Boogie Preprocessor took 103.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:52,729 INFO L168 Benchmark]: RCFGBuilder took 1006.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.6 MB in the end (delta: 106.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:52,729 INFO L168 Benchmark]: TraceAbstraction took 1625.19 ms. Allocated memory is still 1.2 GB. Free memory was 985.6 MB in the beginning and 1.1 GB in the end (delta: -113.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:52,730 INFO L168 Benchmark]: Witness Printer took 44.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:52,732 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 763.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 103.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1006.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.6 MB in the end (delta: 106.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1625.19 ms. Allocated memory is still 1.2 GB. Free memory was 985.6 MB in the beginning and 1.1 GB in the end (delta: -113.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 44.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 762]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={3:0}] [L767] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(size)=4, \result={5:0}, ldv_global_msg_list={3:0}, malloc(size)={5:0}, size=4] [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={3:0}, ldv_malloc(sizeof(int))={5:0}] [L759] int *p = (int *)ldv_malloc(sizeof(int)); [L760] COND TRUE \read(*p) VAL [ldv_global_msg_list={3:0}, p={5:0}] [L761] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L527] COND FALSE !(__VERIFIER_nondet_int()) [L530] return 0; VAL [\old(size)=4, \result={0:0}, ldv_global_msg_list={3:0}, size=4] [L761] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={3:0}, ldv_malloc(sizeof(int))={0:0}, p={5:0}] [L761] int *q = (int *)ldv_malloc(sizeof(int)); [L762] free(q) VAL [ldv_global_msg_list={3:0}, p={5:0}, q={0:0}] [L762] free(q) VAL [ldv_global_msg_list={3:0}, p={5:0}, q={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 339 locations, 77 error locations. Result: UNSAFE, OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 107 SDtfs, 70 SDslu, 243 SDs, 0 SdLazy, 339 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred 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, 3 MinimizatonAttempts, 46 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 3338 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 8/8 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 incorrect! Received shutdown request...