./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_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_0384de1f-6f5e-47bd-855d-1d054d93e509/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0384de1f-6f5e-47bd-855d-1d054d93e509/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0384de1f-6f5e-47bd-855d-1d054d93e509/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0384de1f-6f5e-47bd-855d-1d054d93e509/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0384de1f-6f5e-47bd-855d-1d054d93e509/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0384de1f-6f5e-47bd-855d-1d054d93e509/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 308780b81e2d0866a989f5189e54a3384f9af47c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2019-11-15 20:23:52,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:23:52,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:23:52,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:23:52,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:23:52,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:23:52,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:23:52,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:23:52,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:23:52,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:23:52,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:23:52,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:23:52,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:23:52,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:23:52,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:23:52,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:23:52,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:23:52,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:23:52,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:23:52,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:23:52,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:23:52,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:23:52,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:23:52,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:23:52,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:23:52,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:23:52,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:23:52,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:23:52,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:23:52,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:23:52,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:23:52,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:23:52,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:23:52,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:23:52,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:23:52,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:23:52,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:23:52,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:23:52,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:23:52,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:23:52,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:23:52,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0384de1f-6f5e-47bd-855d-1d054d93e509/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 20:23:52,634 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:23:52,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:23:52,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:23:52,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:23:52,646 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:23:52,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:23:52,647 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:23:52,647 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 20:23:52,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:23:52,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:23:52,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:23:52,648 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 20:23:52,648 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 20:23:52,648 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 20:23:52,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:23:52,650 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:23:52,650 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:23:52,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:23:52,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:23:52,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:23:52,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:23:52,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:23:52,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:23:52,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:23:52,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:23:52,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:23:52,653 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_0384de1f-6f5e-47bd-855d-1d054d93e509/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 -> 308780b81e2d0866a989f5189e54a3384f9af47c [2019-11-15 20:23:52,688 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:23:52,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:23:52,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:23:52,708 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:23:52,709 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:23:52,709 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0384de1f-6f5e-47bd-855d-1d054d93e509/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2019-11-15 20:23:52,770 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0384de1f-6f5e-47bd-855d-1d054d93e509/bin/uautomizer/data/b51d16937/fc40326f451f4bcba4c195b3de17e131/FLAGccb0b2575 [2019-11-15 20:23:53,230 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:23:53,234 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0384de1f-6f5e-47bd-855d-1d054d93e509/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2019-11-15 20:23:53,249 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0384de1f-6f5e-47bd-855d-1d054d93e509/bin/uautomizer/data/b51d16937/fc40326f451f4bcba4c195b3de17e131/FLAGccb0b2575 [2019-11-15 20:23:53,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0384de1f-6f5e-47bd-855d-1d054d93e509/bin/uautomizer/data/b51d16937/fc40326f451f4bcba4c195b3de17e131 [2019-11-15 20:23:53,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:23:53,737 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 20:23:53,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:23:53,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:23:53,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:23:53,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:23:53" (1/1) ... [2019-11-15 20:23:53,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d3c0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:53, skipping insertion in model container [2019-11-15 20:23:53,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:23:53" (1/1) ... [2019-11-15 20:23:53,753 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:23:53,799 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:23:54,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:23:54,328 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:23:54,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:23:54,493 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:23:54,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:54 WrapperNode [2019-11-15 20:23:54,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:23:54,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:23:54,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:23:54,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:23:54,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:54" (1/1) ... [2019-11-15 20:23:54,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:54" (1/1) ... [2019-11-15 20:23:54,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:54" (1/1) ... [2019-11-15 20:23:54,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:54" (1/1) ... [2019-11-15 20:23:54,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:54" (1/1) ... [2019-11-15 20:23:54,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:54" (1/1) ... [2019-11-15 20:23:54,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:54" (1/1) ... [2019-11-15 20:23:54,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:23:54,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:23:54,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:23:54,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:23:54,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0384de1f-6f5e-47bd-855d-1d054d93e509/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 20:23:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 20:23:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:23:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 20:23:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 20:23:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 20:23:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 20:23:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 20:23:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 20:23:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 20:23:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 20:23:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 20:23:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 20:23:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 20:23:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 20:23:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 20:23:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 20:23:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 20:23:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 20:23:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 20:23:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 20:23:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 20:23:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 20:23:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 20:23:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 20:23:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 20:23:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 20:23:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 20:23:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 20:23:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 20:23:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 20:23:54,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 20:23:54,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 20:23:54,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 20:23:54,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 20:23:54,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 20:23:54,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 20:23:54,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 20:23:54,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 20:23:54,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 20:23:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 20:23:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 20:23:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2019-11-15 20:23:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2019-11-15 20:23:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 20:23:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 20:23:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 20:23:54,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 20:23:54,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 20:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 20:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 20:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 20:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 20:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 20:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 20:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 20:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 20:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 20:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 20:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 20:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 20:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 20:23:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 20:23:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 20:23:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 20:23:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 20:23:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 20:23:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 20:23:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 20:23:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 20:23:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 20:23:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 20:23:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 20:23:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 20:23:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 20:23:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 20:23:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 20:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 20:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 20:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 20:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 20:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 20:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 20:23:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 20:23:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 20:23:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 20:23:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 20:23:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 20:23:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 20:23:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 20:23:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 20:23:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 20:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 20:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 20:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 20:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 20:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 20:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 20:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 20:23:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 20:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 20:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 20:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 20:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 20:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 20:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 20:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 20:23:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 20:23:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 20:23:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 20:23:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 20:23:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 20:23:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 20:23:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 20:23:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 20:23:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 20:23:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 20:23:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 20:23:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 20:23:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 20:23:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 20:23:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 20:23:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 20:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 20:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 20:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 20:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 20:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 20:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 20:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 20:23:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 20:23:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 20:23:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 20:23:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 20:23:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 20:23:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 20:23:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 20:23:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 20:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 20:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 20:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 20:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 20:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 20:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 20:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 20:23:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 20:23:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 20:23:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 20:23:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 20:23:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 20:23:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 20:23:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 20:23:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 20:23:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 20:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 20:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 20:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 20:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 20:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 20:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 20:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 20:23:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 20:23:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 20:23:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 20:23:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 20:23:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 20:23:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 20:23:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 20:23:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 20:23:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 20:23:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 20:23:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 20:23:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 20:23:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 20:23:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 20:23:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 20:23:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 20:23:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 20:23:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 20:23:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:23:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 20:23:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 20:23:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 20:23:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 20:23:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 20:23:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 20:23:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 20:23:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 20:23:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 20:23:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 20:23:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 20:23:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 20:23:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 20:23:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 20:23:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 20:23:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 20:23:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 20:23:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 20:23:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 20:23:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 20:23:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 20:23:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 20:23:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 20:23:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 20:23:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2019-11-15 20:23:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2019-11-15 20:23:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 20:23:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 20:23:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 20:23:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:23:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 20:23:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:23:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 20:23:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 20:23:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-15 20:23:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-15 20:23:55,227 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 20:23:55,506 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 20:23:55,769 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:23:55,771 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-15 20:23:55,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:23:55 BoogieIcfgContainer [2019-11-15 20:23:55,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:23:55,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:23:55,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:23:55,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:23:55,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:23:53" (1/3) ... [2019-11-15 20:23:55,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aabdf09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:23:55, skipping insertion in model container [2019-11-15 20:23:55,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:54" (2/3) ... [2019-11-15 20:23:55,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aabdf09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:23:55, skipping insertion in model container [2019-11-15 20:23:55,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:23:55" (3/3) ... [2019-11-15 20:23:55,780 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test8_2.i [2019-11-15 20:23:55,789 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:23:55,810 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-15 20:23:55,823 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-15 20:23:55,844 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:23:55,844 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 20:23:55,845 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:23:55,845 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:23:55,845 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:23:55,845 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:23:55,845 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:23:55,845 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:23:55,869 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2019-11-15 20:23:55,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-15 20:23:55,880 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:23:55,881 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 20:23:55,885 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:23:55,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:23:55,891 INFO L82 PathProgramCache]: Analyzing trace with hash -636801169, now seen corresponding path program 1 times [2019-11-15 20:23:55,899 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:23:55,900 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6032963] [2019-11-15 20:23:55,900 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:23:55,900 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:23:55,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:23:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:56,302 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 20:23:56,303 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6032963] [2019-11-15 20:23:56,304 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:23:56,304 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 20:23:56,304 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134753357] [2019-11-15 20:23:56,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 20:23:56,309 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:23:56,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 20:23:56,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:23:56,325 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 8 states. [2019-11-15 20:23:56,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:23:56,706 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2019-11-15 20:23:56,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 20:23:56,709 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2019-11-15 20:23:56,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:23:56,723 INFO L225 Difference]: With dead ends: 47 [2019-11-15 20:23:56,723 INFO L226 Difference]: Without dead ends: 39 [2019-11-15 20:23:56,733 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2019-11-15 20:23:56,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-15 20:23:56,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-11-15 20:23:56,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-15 20:23:56,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2019-11-15 20:23:56,801 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 18 [2019-11-15 20:23:56,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:23:56,801 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2019-11-15 20:23:56,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 20:23:56,802 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2019-11-15 20:23:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 20:23:56,826 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:23:56,826 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 20:23:56,827 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:23:56,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:23:56,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1734000526, now seen corresponding path program 1 times [2019-11-15 20:23:56,828 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:23:56,828 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321152319] [2019-11-15 20:23:56,828 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:23:56,828 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:23:56,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:23:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:57,051 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 20:23:57,052 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321152319] [2019-11-15 20:23:57,052 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:23:57,052 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 20:23:57,052 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469656576] [2019-11-15 20:23:57,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 20:23:57,054 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:23:57,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 20:23:57,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:23:57,055 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand 8 states. [2019-11-15 20:23:57,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:23:57,321 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2019-11-15 20:23:57,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 20:23:57,321 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-11-15 20:23:57,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:23:57,323 INFO L225 Difference]: With dead ends: 44 [2019-11-15 20:23:57,323 INFO L226 Difference]: Without dead ends: 44 [2019-11-15 20:23:57,323 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-15 20:23:57,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-15 20:23:57,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-11-15 20:23:57,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-15 20:23:57,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2019-11-15 20:23:57,338 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 19 [2019-11-15 20:23:57,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:23:57,338 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2019-11-15 20:23:57,338 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 20:23:57,339 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2019-11-15 20:23:57,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 20:23:57,341 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:23:57,341 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 20:23:57,342 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:23:57,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:23:57,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1537487021, now seen corresponding path program 1 times [2019-11-15 20:23:57,342 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:23:57,343 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018541143] [2019-11-15 20:23:57,343 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:23:57,343 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:23:57,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:23:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:57,531 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 20:23:57,531 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018541143] [2019-11-15 20:23:57,531 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:23:57,531 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 20:23:57,532 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905204157] [2019-11-15 20:23:57,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 20:23:57,532 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:23:57,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 20:23:57,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:23:57,533 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand 8 states. [2019-11-15 20:23:57,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:23:57,872 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2019-11-15 20:23:57,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 20:23:57,873 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-11-15 20:23:57,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:23:57,874 INFO L225 Difference]: With dead ends: 44 [2019-11-15 20:23:57,874 INFO L226 Difference]: Without dead ends: 34 [2019-11-15 20:23:57,874 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-15 20:23:57,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-15 20:23:57,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2019-11-15 20:23:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-15 20:23:57,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2019-11-15 20:23:57,879 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 19 [2019-11-15 20:23:57,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:23:57,880 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2019-11-15 20:23:57,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 20:23:57,880 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2019-11-15 20:23:57,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-15 20:23:57,881 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:23:57,881 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 20:23:57,881 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:23:57,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:23:57,883 INFO L82 PathProgramCache]: Analyzing trace with hash -2080558255, now seen corresponding path program 1 times [2019-11-15 20:23:57,883 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:23:57,884 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732347451] [2019-11-15 20:23:57,884 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:23:57,884 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:23:57,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:23:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:58,038 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 20:23:58,039 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732347451] [2019-11-15 20:23:58,039 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:23:58,039 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 20:23:58,039 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706529157] [2019-11-15 20:23:58,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 20:23:58,040 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:23:58,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 20:23:58,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:23:58,041 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 8 states. [2019-11-15 20:23:58,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:23:58,218 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2019-11-15 20:23:58,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 20:23:58,219 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2019-11-15 20:23:58,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:23:58,220 INFO L225 Difference]: With dead ends: 40 [2019-11-15 20:23:58,220 INFO L226 Difference]: Without dead ends: 40 [2019-11-15 20:23:58,220 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-15 20:23:58,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-15 20:23:58,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2019-11-15 20:23:58,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-15 20:23:58,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2019-11-15 20:23:58,225 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 20 [2019-11-15 20:23:58,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:23:58,226 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2019-11-15 20:23:58,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 20:23:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2019-11-15 20:23:58,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-15 20:23:58,227 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:23:58,228 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 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 20:23:58,228 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:23:58,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:23:58,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1020922387, now seen corresponding path program 1 times [2019-11-15 20:23:58,229 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:23:58,229 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120063993] [2019-11-15 20:23:58,230 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:23:58,230 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:23:58,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:23:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:58,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 20:23:58,406 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120063993] [2019-11-15 20:23:58,406 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307745486] [2019-11-15 20:23:58,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0384de1f-6f5e-47bd-855d-1d054d93e509/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:23:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:58,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-15 20:23:58,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:23:58,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:23:58,616 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 20:23:58,616 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 10 [2019-11-15 20:23:58,616 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388107794] [2019-11-15 20:23:58,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 20:23:58,617 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:23:58,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 20:23:58,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-15 20:23:58,617 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 5 states. [2019-11-15 20:23:58,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:23:58,649 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2019-11-15 20:23:58,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 20:23:58,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-15 20:23:58,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:23:58,651 INFO L225 Difference]: With dead ends: 33 [2019-11-15 20:23:58,651 INFO L226 Difference]: Without dead ends: 33 [2019-11-15 20:23:58,651 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-15 20:23:58,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-15 20:23:58,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-15 20:23:58,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-15 20:23:58,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2019-11-15 20:23:58,655 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 27 [2019-11-15 20:23:58,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:23:58,655 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2019-11-15 20:23:58,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 20:23:58,655 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2019-11-15 20:23:58,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-15 20:23:58,656 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:23:58,656 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:23:58,864 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:23:58,865 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:23:58,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:23:58,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1993916759, now seen corresponding path program 1 times [2019-11-15 20:23:58,865 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:23:58,866 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596178824] [2019-11-15 20:23:58,866 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:23:58,866 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:23:58,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:23:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:23:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:23:58,915 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:23:58,915 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 20:23:58,948 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# [2019-11-15 20:23:58,949 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# [2019-11-15 20:23:58,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:23:58 BoogieIcfgContainer [2019-11-15 20:23:58,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:23:58,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:23:58,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:23:58,978 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:23:58,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:23:55" (3/4) ... [2019-11-15 20:23:58,982 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-15 20:23:58,990 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# [2019-11-15 20:23:58,991 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# [2019-11-15 20:23:59,032 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0384de1f-6f5e-47bd-855d-1d054d93e509/bin/uautomizer/witness.graphml [2019-11-15 20:23:59,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:23:59,034 INFO L168 Benchmark]: Toolchain (without parser) took 5296.72 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 256.4 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 93.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:23:59,035 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:23:59,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.4 MB). Free memory was 938.1 MB in the beginning and 1.2 GB in the end (delta: -230.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:23:59,036 INFO L168 Benchmark]: Boogie Preprocessor took 82.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:23:59,036 INFO L168 Benchmark]: RCFGBuilder took 1195.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:23:59,037 INFO L168 Benchmark]: TraceAbstraction took 3202.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 53.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -52.9 MB). Peak memory consumption was 55.3 kB. Max. memory is 11.5 GB. [2019-11-15 20:23:59,037 INFO L168 Benchmark]: Witness Printer took 55.73 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:23:59,039 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 756.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.4 MB). Free memory was 938.1 MB in the beginning and 1.2 GB in the end (delta: -230.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1195.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3202.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 53.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -52.9 MB). Peak memory consumption was 55.3 kB. Max. memory is 11.5 GB. * Witness Printer took 55.73 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 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: 763]: 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) }; [L758] int *a8; VAL [\old(a8)=13, \old(a8)=12, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a8={0:0}, ldv_global_msg_list={-3:0}] [L772] CALL entry_point() VAL [\old(a8)=0, \old(a8)=0, a8={0:0}, ldv_global_msg_list={-3:0}] [L766] CALL alloc_8() VAL [\old(a8)=0, \old(a8)=0, a8={0:0}, ldv_global_msg_list={-3:0}] [L760] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=0, \old(a8)=0, \old(size)=4, a8={0:0}, ldv_global_msg_list={-3:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(a8)=0, \old(a8)=0, \old(size)=4, \result={-1:0}, a8={0:0}, ldv_global_msg_list={-3:0}, malloc(size)={-1:0}, size=4] [L760] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=0, \old(a8)=0, a8={0:0}, ldv_global_msg_list={-3:0}, ldv_malloc(sizeof(int))={-1:0}] [L760] a8 = (int *)ldv_malloc(sizeof(int)) [L766] RET alloc_8() VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L767] CALL free_8() VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L763] COND TRUE \read(*a8) VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L763] free(a8) VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L763] free(a8) VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L763] free(a8) [L767] RET free_8() VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L768] CALL free_8() VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L763] COND TRUE \read(*a8) VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L763] free(a8) VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L763] free(a8) VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L763] free(a8) VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 339 locations, 74 error locations. Result: UNSAFE, OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 121 SDtfs, 135 SDslu, 260 SDs, 0 SdLazy, 448 SolverSat, 92 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 53 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 12958 SizeOfPredicates, 1 NumberOfNonLiveVariables, 155 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 4/6 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...