./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.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_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/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 041177a9b9f9d56d6ca6291d997bf38d41f568ad ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/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 041177a9b9f9d56d6ca6291d997bf38d41f568ad .......................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:11:06,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:11:06,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:11:06,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:11:06,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:11:06,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:11:06,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:11:06,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:11:06,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:11:06,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:11:06,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:11:06,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:11:06,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:11:06,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:11:06,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:11:06,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:11:06,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:11:06,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:11:06,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:11:06,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:11:06,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:11:06,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:11:06,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:11:06,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:11:06,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:11:06,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:11:06,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:11:06,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:11:06,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:11:06,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:11:06,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:11:06,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:11:06,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:11:06,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:11:06,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:11:06,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:11:06,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:11:06,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:11:06,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:11:06,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:11:06,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:11:06,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 21:11:06,338 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:11:06,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:11:06,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:11:06,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:11:06,340 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:11:06,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:11:06,340 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:11:06,340 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 21:11:06,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:11:06,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:11:06,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:11:06,341 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 21:11:06,341 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 21:11:06,341 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 21:11:06,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:11:06,341 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:11:06,341 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:11:06,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:11:06,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:11:06,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:11:06,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:11:06,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:11:06,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:11:06,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:11:06,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:11:06,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:11:06,342 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_0e02d715-077a-4743-bbb7-f31a2ffd307a/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 -> 041177a9b9f9d56d6ca6291d997bf38d41f568ad [2019-11-15 21:11:06,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:11:06,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:11:06,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:11:06,394 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:11:06,394 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:11:06,395 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i [2019-11-15 21:11:06,458 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/data/55d46ecce/e3623efae3a6485c89e6fe0fe8f18339/FLAGaddb315db [2019-11-15 21:11:06,872 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:11:06,873 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i [2019-11-15 21:11:06,888 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/data/55d46ecce/e3623efae3a6485c89e6fe0fe8f18339/FLAGaddb315db [2019-11-15 21:11:07,169 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/data/55d46ecce/e3623efae3a6485c89e6fe0fe8f18339 [2019-11-15 21:11:07,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:11:07,174 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 21:11:07,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:11:07,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:11:07,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:11:07,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:11:07" (1/1) ... [2019-11-15 21:11:07,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77402bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:07, skipping insertion in model container [2019-11-15 21:11:07,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:11:07" (1/1) ... [2019-11-15 21:11:07,189 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:11:07,254 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:11:07,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:11:07,899 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:11:07,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:11:08,074 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:11:08,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:08 WrapperNode [2019-11-15 21:11:08,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:11:08,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:11:08,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:11:08,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:11:08,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:08" (1/1) ... [2019-11-15 21:11:08,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:08" (1/1) ... [2019-11-15 21:11:08,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:08" (1/1) ... [2019-11-15 21:11:08,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:08" (1/1) ... [2019-11-15 21:11:08,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:08" (1/1) ... [2019-11-15 21:11:08,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:08" (1/1) ... [2019-11-15 21:11:08,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:08" (1/1) ... [2019-11-15 21:11:08,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:11:08,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:11:08,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:11:08,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:11:08,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/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 21:11:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 21:11:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:11:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:11:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 21:11:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 21:11:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 21:11:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 21:11:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 21:11:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 21:11:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 21:11:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 21:11:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 21:11:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 21:11:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 21:11:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 21:11:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 21:11:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 21:11:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 21:11:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 21:11:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 21:11:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 21:11:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 21:11:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 21:11:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 21:11:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 21:11:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 21:11:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 21:11:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 21:11:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 21:11:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 21:11:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 21:11:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 21:11:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 21:11:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 21:11:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 21:11:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 21:11:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 21:11:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 21:11:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 21:11:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 21:11:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 21:11:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2019-11-15 21:11:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2019-11-15 21:11:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 21:11:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 21:11:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 21:11:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 21:11:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 21:11:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 21:11:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 21:11:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 21:11:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 21:11:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 21:11:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 21:11:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 21:11:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 21:11:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 21:11:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 21:11:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 21:11:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 21:11:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 21:11:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 21:11:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 21:11:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 21:11:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 21:11:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 21:11:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 21:11:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 21:11:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 21:11:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 21:11:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 21:11:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 21:11:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 21:11:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 21:11:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 21:11:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 21:11:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 21:11:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 21:11:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 21:11:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 21:11:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 21:11:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 21:11:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 21:11:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 21:11:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 21:11:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 21:11:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 21:11:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 21:11:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 21:11:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 21:11:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 21:11:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 21:11:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 21:11:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 21:11:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 21:11:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 21:11:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 21:11:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 21:11:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 21:11:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 21:11:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 21:11:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 21:11:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 21:11:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 21:11:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 21:11:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 21:11:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 21:11:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 21:11:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 21:11:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 21:11:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 21:11:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 21:11:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 21:11:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 21:11:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 21:11:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 21:11:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 21:11:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 21:11:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 21:11:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 21:11:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 21:11:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 21:11:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 21:11:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 21:11:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 21:11:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 21:11:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 21:11:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 21:11:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 21:11:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 21:11:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 21:11:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 21:11:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 21:11:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 21:11:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 21:11:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 21:11:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 21:11:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 21:11:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 21:11:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 21:11:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 21:11:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 21:11:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 21:11:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 21:11:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 21:11:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 21:11:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 21:11:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 21:11:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 21:11:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 21:11:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 21:11:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 21:11:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 21:11:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 21:11:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 21:11:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 21:11:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 21:11:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 21:11:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 21:11:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 21:11:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 21:11:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 21:11:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 21:11:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 21:11:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 21:11:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 21:11:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 21:11:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 21:11:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 21:11:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 21:11:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 21:11:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 21:11:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 21:11:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 21:11:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 21:11:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 21:11:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 21:11:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 21:11:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:11:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 21:11:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 21:11:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 21:11:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 21:11:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 21:11:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 21:11:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 21:11:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 21:11:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 21:11:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:11:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 21:11:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 21:11:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 21:11:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 21:11:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 21:11:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 21:11:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 21:11:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 21:11:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 21:11:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 21:11:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 21:11:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 21:11:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 21:11:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 21:11:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2019-11-15 21:11:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2019-11-15 21:11:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 21:11:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 21:11:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 21:11:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:11:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 21:11:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:11:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 21:11:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 21:11:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-15 21:11:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-15 21:11:08,715 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:11:09,014 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:11:09,376 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:11:09,379 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-15 21:11:09,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:11:09 BoogieIcfgContainer [2019-11-15 21:11:09,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:11:09,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:11:09,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:11:09,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:11:09,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:11:07" (1/3) ... [2019-11-15 21:11:09,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233d1b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:11:09, skipping insertion in model container [2019-11-15 21:11:09,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:08" (2/3) ... [2019-11-15 21:11:09,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233d1b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:11:09, skipping insertion in model container [2019-11-15 21:11:09,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:11:09" (3/3) ... [2019-11-15 21:11:09,391 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test10-1.i [2019-11-15 21:11:09,400 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:11:09,412 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 113 error locations. [2019-11-15 21:11:09,423 INFO L249 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2019-11-15 21:11:09,446 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:11:09,446 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 21:11:09,447 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:11:09,447 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:11:09,447 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:11:09,448 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:11:09,448 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:11:09,448 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:11:09,476 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2019-11-15 21:11:09,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-15 21:11:09,486 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:09,487 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:11:09,490 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, 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_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_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_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:11:09,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:09,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1911013183, now seen corresponding path program 1 times [2019-11-15 21:11:09,504 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:09,504 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434262362] [2019-11-15 21:11:09,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:09,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:09,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:09,881 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 21:11:09,884 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434262362] [2019-11-15 21:11:09,885 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:11:09,885 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:11:09,886 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892481444] [2019-11-15 21:11:09,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 21:11:09,895 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:09,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 21:11:09,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:11:09,912 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 8 states. [2019-11-15 21:11:10,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:10,852 INFO L93 Difference]: Finished difference Result 204 states and 228 transitions. [2019-11-15 21:11:10,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 21:11:10,855 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2019-11-15 21:11:10,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:10,867 INFO L225 Difference]: With dead ends: 204 [2019-11-15 21:11:10,868 INFO L226 Difference]: Without dead ends: 197 [2019-11-15 21:11:10,869 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:11:10,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-11-15 21:11:10,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 83. [2019-11-15 21:11:10,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-15 21:11:10,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 88 transitions. [2019-11-15 21:11:10,922 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 88 transitions. Word has length 16 [2019-11-15 21:11:10,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:10,922 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 88 transitions. [2019-11-15 21:11:10,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 21:11:10,922 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2019-11-15 21:11:10,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 21:11:10,924 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:10,924 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:11:10,925 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, 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_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_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_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:11:10,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:10,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1410638238, now seen corresponding path program 1 times [2019-11-15 21:11:10,925 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:10,925 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210239653] [2019-11-15 21:11:10,926 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:10,926 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:10,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:11,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:11:11,131 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210239653] [2019-11-15 21:11:11,131 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969050248] [2019-11-15 21:11:11,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/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 21:11:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:11,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-15 21:11:11,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:11:11,351 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-15 21:11:11,351 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:11,354 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:11,355 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:11:11,355 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-15 21:11:11,414 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:11,414 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-11-15 21:11:11,415 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:11,437 INFO L567 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2019-11-15 21:11:11,438 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:11:11,438 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-11-15 21:11:11,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:11:11,445 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:11:11,445 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 9 [2019-11-15 21:11:11,446 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623171020] [2019-11-15 21:11:11,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 21:11:11,447 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:11,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 21:11:11,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:11:11,448 INFO L87 Difference]: Start difference. First operand 83 states and 88 transitions. Second operand 10 states. [2019-11-15 21:11:12,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:12,742 INFO L93 Difference]: Finished difference Result 192 states and 214 transitions. [2019-11-15 21:11:12,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 21:11:12,743 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2019-11-15 21:11:12,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:12,745 INFO L225 Difference]: With dead ends: 192 [2019-11-15 21:11:12,746 INFO L226 Difference]: Without dead ends: 192 [2019-11-15 21:11:12,746 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2019-11-15 21:11:12,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-11-15 21:11:12,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 93. [2019-11-15 21:11:12,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-11-15 21:11:12,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 107 transitions. [2019-11-15 21:11:12,761 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 107 transitions. Word has length 19 [2019-11-15 21:11:12,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:12,761 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 107 transitions. [2019-11-15 21:11:12,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 21:11:12,761 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 107 transitions. [2019-11-15 21:11:12,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 21:11:12,762 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:12,762 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:11:12,965 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:12,966 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, 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_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_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_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:11:12,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:12,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1410638239, now seen corresponding path program 1 times [2019-11-15 21:11:12,967 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:12,967 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729950248] [2019-11-15 21:11:12,968 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:12,968 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:12,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:13,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:11:13,227 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729950248] [2019-11-15 21:11:13,228 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717567473] [2019-11-15 21:11:13,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:13,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 27 conjunts are in the unsatisfiable core [2019-11-15 21:11:13,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:11:13,449 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-15 21:11:13,449 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:13,460 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:13,460 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:11:13,461 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-15 21:11:13,596 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:13,596 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-11-15 21:11:13,597 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:13,617 INFO L567 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2019-11-15 21:11:13,617 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:11:13,618 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2019-11-15 21:11:13,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:11:13,643 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:11:13,643 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2019-11-15 21:11:13,643 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051761059] [2019-11-15 21:11:13,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-15 21:11:13,644 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:13,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-15 21:11:13,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2019-11-15 21:11:13,645 INFO L87 Difference]: Start difference. First operand 93 states and 107 transitions. Second operand 16 states. [2019-11-15 21:11:15,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:15,716 INFO L93 Difference]: Finished difference Result 306 states and 339 transitions. [2019-11-15 21:11:15,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-15 21:11:15,717 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 19 [2019-11-15 21:11:15,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:15,720 INFO L225 Difference]: With dead ends: 306 [2019-11-15 21:11:15,720 INFO L226 Difference]: Without dead ends: 306 [2019-11-15 21:11:15,720 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2019-11-15 21:11:15,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2019-11-15 21:11:15,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 120. [2019-11-15 21:11:15,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-11-15 21:11:15,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 151 transitions. [2019-11-15 21:11:15,741 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 151 transitions. Word has length 19 [2019-11-15 21:11:15,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:15,742 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 151 transitions. [2019-11-15 21:11:15,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-15 21:11:15,742 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 151 transitions. [2019-11-15 21:11:15,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 21:11:15,764 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:15,764 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:11:15,964 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:15,965 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, 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_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_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_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:11:15,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:15,965 INFO L82 PathProgramCache]: Analyzing trace with hash -386313121, now seen corresponding path program 1 times [2019-11-15 21:11:15,965 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:15,966 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591169138] [2019-11-15 21:11:15,966 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:15,966 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:15,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:11:16,089 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591169138] [2019-11-15 21:11:16,089 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576600784] [2019-11-15 21:11:16,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:16,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-15 21:11:16,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:11:16,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:11:16,245 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 21:11:16,245 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 7 [2019-11-15 21:11:16,246 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288633592] [2019-11-15 21:11:16,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 21:11:16,246 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:16,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 21:11:16,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:11:16,247 INFO L87 Difference]: Start difference. First operand 120 states and 151 transitions. Second operand 5 states. [2019-11-15 21:11:16,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:16,282 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2019-11-15 21:11:16,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 21:11:16,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-11-15 21:11:16,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:16,284 INFO L225 Difference]: With dead ends: 87 [2019-11-15 21:11:16,284 INFO L226 Difference]: Without dead ends: 83 [2019-11-15 21:11:16,284 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:11:16,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-11-15 21:11:16,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-11-15 21:11:16,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-15 21:11:16,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions. [2019-11-15 21:11:16,290 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 19 [2019-11-15 21:11:16,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:16,291 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions. [2019-11-15 21:11:16,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 21:11:16,291 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2019-11-15 21:11:16,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-15 21:11:16,299 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:16,299 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] [2019-11-15 21:11:16,499 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:16,500 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, 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_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_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_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:11:16,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:16,500 INFO L82 PathProgramCache]: Analyzing trace with hash -171385282, now seen corresponding path program 1 times [2019-11-15 21:11:16,501 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:16,501 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832621518] [2019-11-15 21:11:16,501 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:16,501 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:16,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:16,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:11:16,599 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832621518] [2019-11-15 21:11:16,599 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:11:16,600 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:11:16,600 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961030327] [2019-11-15 21:11:16,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 21:11:16,600 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:16,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 21:11:16,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:11:16,601 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand 8 states. [2019-11-15 21:11:16,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:16,813 INFO L93 Difference]: Finished difference Result 98 states and 108 transitions. [2019-11-15 21:11:16,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 21:11:16,814 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-11-15 21:11:16,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:16,815 INFO L225 Difference]: With dead ends: 98 [2019-11-15 21:11:16,815 INFO L226 Difference]: Without dead ends: 98 [2019-11-15 21:11:16,815 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:11:16,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-11-15 21:11:16,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 87. [2019-11-15 21:11:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-11-15 21:11:16,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2019-11-15 21:11:16,823 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 24 [2019-11-15 21:11:16,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:16,824 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2019-11-15 21:11:16,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 21:11:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2019-11-15 21:11:16,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-15 21:11:16,825 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:16,825 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] [2019-11-15 21:11:16,826 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, 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_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_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_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:11:16,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:16,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1978839745, now seen corresponding path program 1 times [2019-11-15 21:11:16,826 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:16,827 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880765315] [2019-11-15 21:11:16,827 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:16,827 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:16,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:16,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:11:16,925 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880765315] [2019-11-15 21:11:16,925 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099435155] [2019-11-15 21:11:16,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:17,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-15 21:11:17,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:11:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:11:17,097 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:11:17,098 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 6 [2019-11-15 21:11:17,098 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873460996] [2019-11-15 21:11:17,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:11:17,098 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:17,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:11:17,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:11:17,099 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand 7 states. [2019-11-15 21:11:17,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:17,350 INFO L93 Difference]: Finished difference Result 92 states and 99 transitions. [2019-11-15 21:11:17,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 21:11:17,350 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2019-11-15 21:11:17,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:17,352 INFO L225 Difference]: With dead ends: 92 [2019-11-15 21:11:17,352 INFO L226 Difference]: Without dead ends: 92 [2019-11-15 21:11:17,352 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:11:17,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-15 21:11:17,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 86. [2019-11-15 21:11:17,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-11-15 21:11:17,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 93 transitions. [2019-11-15 21:11:17,358 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 93 transitions. Word has length 24 [2019-11-15 21:11:17,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:17,358 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 93 transitions. [2019-11-15 21:11:17,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:11:17,358 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2019-11-15 21:11:17,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 21:11:17,359 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:17,359 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:11:17,563 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:17,564 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, 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_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_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_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:11:17,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:17,564 INFO L82 PathProgramCache]: Analyzing trace with hash -388900186, now seen corresponding path program 1 times [2019-11-15 21:11:17,564 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:17,564 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3445982] [2019-11-15 21:11:17,565 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:17,565 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:17,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:17,739 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:11:17,740 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3445982] [2019-11-15 21:11:17,740 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354651862] [2019-11-15 21:11:17,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:17,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-15 21:11:17,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:11:17,901 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-15 21:11:17,901 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:17,904 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:17,904 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:11:17,904 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-15 21:11:17,911 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 21:11:17,912 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:17,916 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:17,917 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:11:17,917 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2019-11-15 21:11:17,922 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2019-11-15 21:11:17,923 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:17,924 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:17,925 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:11:17,925 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2019-11-15 21:11:17,980 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:17,980 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-11-15 21:11:17,981 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:17,994 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-15 21:11:17,995 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:11:17,995 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-15 21:11:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:11:18,012 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:11:18,012 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2019-11-15 21:11:18,012 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040677720] [2019-11-15 21:11:18,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 21:11:18,013 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:18,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 21:11:18,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-11-15 21:11:18,013 INFO L87 Difference]: Start difference. First operand 86 states and 93 transitions. Second operand 12 states. [2019-11-15 21:11:18,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:18,762 INFO L93 Difference]: Finished difference Result 126 states and 138 transitions. [2019-11-15 21:11:18,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 21:11:18,763 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2019-11-15 21:11:18,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:18,764 INFO L225 Difference]: With dead ends: 126 [2019-11-15 21:11:18,764 INFO L226 Difference]: Without dead ends: 126 [2019-11-15 21:11:18,765 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2019-11-15 21:11:18,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-15 21:11:18,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 89. [2019-11-15 21:11:18,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-11-15 21:11:18,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 99 transitions. [2019-11-15 21:11:18,773 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 99 transitions. Word has length 29 [2019-11-15 21:11:18,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:18,773 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 99 transitions. [2019-11-15 21:11:18,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 21:11:18,773 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions. [2019-11-15 21:11:18,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 21:11:18,775 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:18,775 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:11:18,975 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:18,976 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, 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_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_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_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:11:18,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:18,976 INFO L82 PathProgramCache]: Analyzing trace with hash -388900185, now seen corresponding path program 1 times [2019-11-15 21:11:18,976 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:18,976 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122599514] [2019-11-15 21:11:18,976 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:18,977 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:18,977 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:19,173 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 21:11:19,173 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122599514] [2019-11-15 21:11:19,173 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658100956] [2019-11-15 21:11:19,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:19,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 31 conjunts are in the unsatisfiable core [2019-11-15 21:11:19,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:11:19,329 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-15 21:11:19,329 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:19,333 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:19,333 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:11:19,333 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-15 21:11:19,369 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 21:11:19,369 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:19,381 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:19,386 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 21:11:19,386 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:19,393 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:19,393 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:11:19,394 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2019-11-15 21:11:19,423 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2019-11-15 21:11:19,424 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:19,435 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:19,438 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-15 21:11:19,439 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:19,443 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:19,443 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:11:19,444 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2019-11-15 21:11:19,573 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:19,574 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-11-15 21:11:19,574 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:19,588 INFO L567 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2019-11-15 21:11:19,588 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:11:19,588 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2019-11-15 21:11:19,609 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:11:19,609 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:11:19,610 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2019-11-15 21:11:19,610 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234621080] [2019-11-15 21:11:19,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-15 21:11:19,610 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:19,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-15 21:11:19,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2019-11-15 21:11:19,611 INFO L87 Difference]: Start difference. First operand 89 states and 99 transitions. Second operand 18 states. [2019-11-15 21:11:20,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:20,668 INFO L93 Difference]: Finished difference Result 138 states and 149 transitions. [2019-11-15 21:11:20,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-15 21:11:20,668 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 29 [2019-11-15 21:11:20,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:20,669 INFO L225 Difference]: With dead ends: 138 [2019-11-15 21:11:20,669 INFO L226 Difference]: Without dead ends: 138 [2019-11-15 21:11:20,670 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=114, Invalid=642, Unknown=0, NotChecked=0, Total=756 [2019-11-15 21:11:20,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-15 21:11:20,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 93. [2019-11-15 21:11:20,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-11-15 21:11:20,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2019-11-15 21:11:20,677 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 29 [2019-11-15 21:11:20,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:20,678 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2019-11-15 21:11:20,678 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-15 21:11:20,678 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2019-11-15 21:11:20,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-15 21:11:20,679 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:20,680 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, 1] [2019-11-15 21:11:20,883 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:20,884 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, 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_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_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_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:11:20,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:20,906 INFO L82 PathProgramCache]: Analyzing trace with hash -51465867, now seen corresponding path program 1 times [2019-11-15 21:11:20,907 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:20,907 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106724013] [2019-11-15 21:11:20,907 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:20,907 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:20,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:21,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:11:21,121 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106724013] [2019-11-15 21:11:21,121 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126793594] [2019-11-15 21:11:21,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:21,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-15 21:11:21,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:11:21,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:11:21,382 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:11:21,382 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 12 [2019-11-15 21:11:21,382 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955290741] [2019-11-15 21:11:21,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-15 21:11:21,385 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:21,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-15 21:11:21,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-11-15 21:11:21,386 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand 13 states. [2019-11-15 21:11:21,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:21,977 INFO L93 Difference]: Finished difference Result 129 states and 140 transitions. [2019-11-15 21:11:21,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 21:11:21,978 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2019-11-15 21:11:21,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:21,979 INFO L225 Difference]: With dead ends: 129 [2019-11-15 21:11:21,979 INFO L226 Difference]: Without dead ends: 123 [2019-11-15 21:11:21,980 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2019-11-15 21:11:21,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-11-15 21:11:21,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 90. [2019-11-15 21:11:21,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-15 21:11:21,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 98 transitions. [2019-11-15 21:11:21,985 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 98 transitions. Word has length 28 [2019-11-15 21:11:21,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:21,985 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 98 transitions. [2019-11-15 21:11:21,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-15 21:11:21,985 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 98 transitions. [2019-11-15 21:11:21,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 21:11:21,986 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:21,986 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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 21:11:22,192 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:22,197 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, 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_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_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_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:11:22,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:22,198 INFO L82 PathProgramCache]: Analyzing trace with hash -894458811, now seen corresponding path program 1 times [2019-11-15 21:11:22,198 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:22,198 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786302610] [2019-11-15 21:11:22,198 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:22,198 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:22,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-15 21:11:22,329 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786302610] [2019-11-15 21:11:22,330 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507110067] [2019-11-15 21:11:22,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:22,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-15 21:11:22,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:11:22,536 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 21:11:22,536 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:22,541 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:22,544 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 21:11:22,544 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:22,553 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:22,553 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:11:22,553 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2019-11-15 21:11:22,561 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-15 21:11:22,561 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:22,566 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:22,568 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-15 21:11:22,568 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:22,578 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:22,578 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:11:22,579 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2019-11-15 21:11:22,580 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:11:22,581 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 21:11:22,581 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 8 [2019-11-15 21:11:22,581 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455271831] [2019-11-15 21:11:22,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 21:11:22,582 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:22,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 21:11:22,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:11:22,582 INFO L87 Difference]: Start difference. First operand 90 states and 98 transitions. Second operand 6 states. [2019-11-15 21:11:22,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:22,648 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2019-11-15 21:11:22,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:11:22,649 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2019-11-15 21:11:22,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:22,650 INFO L225 Difference]: With dead ends: 85 [2019-11-15 21:11:22,650 INFO L226 Difference]: Without dead ends: 79 [2019-11-15 21:11:22,650 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:11:22,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-11-15 21:11:22,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2019-11-15 21:11:22,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-15 21:11:22,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2019-11-15 21:11:22,654 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 29 [2019-11-15 21:11:22,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:22,654 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions. [2019-11-15 21:11:22,654 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 21:11:22,655 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2019-11-15 21:11:22,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 21:11:22,656 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:22,656 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 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 21:11:22,859 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:22,860 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, 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_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_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_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:11:22,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:22,861 INFO L82 PathProgramCache]: Analyzing trace with hash 2096680004, now seen corresponding path program 1 times [2019-11-15 21:11:22,861 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:22,861 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915164209] [2019-11-15 21:11:22,861 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:22,861 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:22,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:23,075 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:11:23,076 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915164209] [2019-11-15 21:11:23,076 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171811570] [2019-11-15 21:11:23,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:23,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 31 conjunts are in the unsatisfiable core [2019-11-15 21:11:23,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:11:23,340 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 21:11:23,340 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:23,346 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:23,348 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 21:11:23,349 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:23,354 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:23,354 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:11:23,355 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2019-11-15 21:11:23,380 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-15 21:11:23,380 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:23,385 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:23,385 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:11:23,386 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:14 [2019-11-15 21:11:23,413 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-15 21:11:23,413 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:23,416 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:23,417 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:11:23,417 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-15 21:11:23,473 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:23,473 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 39 [2019-11-15 21:11:23,474 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:11:23,475 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-11-15 21:11:23,502 INFO L567 ElimStorePlain]: treesize reduction 23, result has 65.7 percent of original size [2019-11-15 21:11:23,502 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:11:23,503 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:11:23,503 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:43 [2019-11-15 21:11:23,566 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:11:23,581 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2019-11-15 21:11:23,582 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:23,591 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:23,591 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2019-11-15 21:11:23,592 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:11:23,593 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:11:23,594 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:11:23,621 INFO L567 ElimStorePlain]: treesize reduction 8, result has 74.2 percent of original size [2019-11-15 21:11:23,621 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-11-15 21:11:23,621 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:23 [2019-11-15 21:11:23,633 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-15 21:11:23,633 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:11:23,633 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 21 [2019-11-15 21:11:23,633 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115726660] [2019-11-15 21:11:23,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-15 21:11:23,634 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:23,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-15 21:11:23,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2019-11-15 21:11:23,634 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand 22 states. [2019-11-15 21:11:24,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:24,592 INFO L93 Difference]: Finished difference Result 98 states and 103 transitions. [2019-11-15 21:11:24,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-15 21:11:24,592 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 32 [2019-11-15 21:11:24,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:24,593 INFO L225 Difference]: With dead ends: 98 [2019-11-15 21:11:24,593 INFO L226 Difference]: Without dead ends: 98 [2019-11-15 21:11:24,594 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=184, Invalid=1148, Unknown=0, NotChecked=0, Total=1332 [2019-11-15 21:11:24,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-11-15 21:11:24,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2019-11-15 21:11:24,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-15 21:11:24,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2019-11-15 21:11:24,597 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 32 [2019-11-15 21:11:24,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:24,597 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2019-11-15 21:11:24,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-15 21:11:24,598 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2019-11-15 21:11:24,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 21:11:24,598 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:24,599 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 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 21:11:24,799 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:24,799 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, 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_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_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_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:11:24,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:24,800 INFO L82 PathProgramCache]: Analyzing trace with hash 2096680005, now seen corresponding path program 1 times [2019-11-15 21:11:24,800 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:24,800 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591743054] [2019-11-15 21:11:24,800 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:24,800 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:24,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:11:24,999 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591743054] [2019-11-15 21:11:24,999 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160395961] [2019-11-15 21:11:24,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:25,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 42 conjunts are in the unsatisfiable core [2019-11-15 21:11:25,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:11:25,269 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 21:11:25,269 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:25,276 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:25,280 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 21:11:25,280 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:25,290 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:25,291 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:11:25,291 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2019-11-15 21:11:25,427 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-15 21:11:25,427 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:11:25,435 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:25,435 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:11:25,436 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:20, output treesize:16 [2019-11-15 21:11:25,551 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:25,551 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 64 [2019-11-15 21:11:25,552 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:11:25,553 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-11-15 21:11:25,612 INFO L567 ElimStorePlain]: treesize reduction 34, result has 75.5 percent of original size [2019-11-15 21:11:25,635 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:11:25,635 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 132 [2019-11-15 21:11:25,636 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 21:11:25,637 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:11:25,637 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:11:25,638 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:11:25,639 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:11:25,639 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:11:25,640 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:11:25,641 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:11:25,641 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:11:25,642 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:11:25,642 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:11:25,652 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 21:11:25,856 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:11:25,856 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: This case should habe been handled by DER at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:192) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.(DerPreprocessor.java:95) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:291) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:256) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 21:11:25,859 INFO L168 Benchmark]: Toolchain (without parser) took 18686.26 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 293.1 MB). Free memory was 939.3 MB in the beginning and 965.1 MB in the end (delta: -25.7 MB). Peak memory consumption was 267.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:11:25,860 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:11:25,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 900.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:11:25,860 INFO L168 Benchmark]: Boogie Preprocessor took 85.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:11:25,861 INFO L168 Benchmark]: RCFGBuilder took 1218.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 997.2 MB in the end (delta: 120.0 MB). Peak memory consumption was 120.0 MB. Max. memory is 11.5 GB. [2019-11-15 21:11:25,861 INFO L168 Benchmark]: TraceAbstraction took 16477.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 136.8 MB). Free memory was 997.2 MB in the beginning and 965.1 MB in the end (delta: 32.1 MB). Peak memory consumption was 169.0 MB. Max. memory is 11.5 GB. [2019-11-15 21:11:25,863 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 900.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1218.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 997.2 MB in the end (delta: 120.0 MB). Peak memory consumption was 120.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16477.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 136.8 MB). Free memory was 997.2 MB in the beginning and 965.1 MB in the end (delta: 32.1 MB). Peak memory consumption was 169.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: This case should habe been handled by DER de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: This case should habe been handled by DER: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 21:11:27,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:11:27,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:11:27,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:11:27,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:11:27,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:11:27,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:11:27,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:11:27,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:11:27,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:11:27,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:11:27,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:11:27,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:11:27,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:11:27,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:11:27,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:11:27,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:11:27,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:11:27,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:11:27,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:11:27,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:11:27,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:11:27,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:11:27,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:11:27,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:11:27,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:11:27,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:11:27,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:11:27,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:11:27,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:11:27,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:11:27,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:11:27,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:11:27,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:11:27,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:11:27,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:11:27,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:11:27,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:11:27,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:11:27,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:11:27,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:11:27,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-15 21:11:27,983 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:11:27,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:11:27,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:11:27,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:11:27,985 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:11:27,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:11:27,986 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:11:27,986 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 21:11:27,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:11:27,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:11:27,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:11:27,987 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 21:11:27,987 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 21:11:27,987 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 21:11:27,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:11:27,988 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 21:11:27,988 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 21:11:27,988 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:11:27,989 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:11:27,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:11:27,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:11:27,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:11:27,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:11:27,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:11:27,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:11:27,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:11:27,990 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 21:11:27,991 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 21:11:27,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 21:11:27,991 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_0e02d715-077a-4743-bbb7-f31a2ffd307a/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 -> 041177a9b9f9d56d6ca6291d997bf38d41f568ad [2019-11-15 21:11:28,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:11:28,032 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:11:28,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:11:28,037 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:11:28,037 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:11:28,038 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i [2019-11-15 21:11:28,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/data/c1df3f59c/c8c8be8b309443f29ddb60947278e93f/FLAG7e9588436 [2019-11-15 21:11:28,553 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:11:28,554 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i [2019-11-15 21:11:28,572 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/data/c1df3f59c/c8c8be8b309443f29ddb60947278e93f/FLAG7e9588436 [2019-11-15 21:11:28,584 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/data/c1df3f59c/c8c8be8b309443f29ddb60947278e93f [2019-11-15 21:11:28,586 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:11:28,587 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 21:11:28,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:11:28,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:11:28,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:11:28,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:11:28" (1/1) ... [2019-11-15 21:11:28,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e4c9560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:28, skipping insertion in model container [2019-11-15 21:11:28,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:11:28" (1/1) ... [2019-11-15 21:11:28,607 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:11:28,666 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:11:29,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:11:29,232 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:11:29,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:11:29,377 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:11:29,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:29 WrapperNode [2019-11-15 21:11:29,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:11:29,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:11:29,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:11:29,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:11:29,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:29" (1/1) ... [2019-11-15 21:11:29,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:29" (1/1) ... [2019-11-15 21:11:29,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:29" (1/1) ... [2019-11-15 21:11:29,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:29" (1/1) ... [2019-11-15 21:11:29,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:29" (1/1) ... [2019-11-15 21:11:29,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:29" (1/1) ... [2019-11-15 21:11:29,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:29" (1/1) ... [2019-11-15 21:11:29,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:11:29,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:11:29,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:11:29,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:11:29,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/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 21:11:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 21:11:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:11:29,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:11:29,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 21:11:29,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 21:11:29,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 21:11:29,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 21:11:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 21:11:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 21:11:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 21:11:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 21:11:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 21:11:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 21:11:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 21:11:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 21:11:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 21:11:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 21:11:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 21:11:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 21:11:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 21:11:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 21:11:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 21:11:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 21:11:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 21:11:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 21:11:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 21:11:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 21:11:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 21:11:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 21:11:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 21:11:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 21:11:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 21:11:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 21:11:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 21:11:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 21:11:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 21:11:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 21:11:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 21:11:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 21:11:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 21:11:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 21:11:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2019-11-15 21:11:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2019-11-15 21:11:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 21:11:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 21:11:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 21:11:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 21:11:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 21:11:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 21:11:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 21:11:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 21:11:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 21:11:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 21:11:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 21:11:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 21:11:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 21:11:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 21:11:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 21:11:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 21:11:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 21:11:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 21:11:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 21:11:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 21:11:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 21:11:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 21:11:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 21:11:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 21:11:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 21:11:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 21:11:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 21:11:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 21:11:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 21:11:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 21:11:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 21:11:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 21:11:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 21:11:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 21:11:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 21:11:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 21:11:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 21:11:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 21:11:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 21:11:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 21:11:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 21:11:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 21:11:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 21:11:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 21:11:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 21:11:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 21:11:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 21:11:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 21:11:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 21:11:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 21:11:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 21:11:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 21:11:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 21:11:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 21:11:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 21:11:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 21:11:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 21:11:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 21:11:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 21:11:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 21:11:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 21:11:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 21:11:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 21:11:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 21:11:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 21:11:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 21:11:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 21:11:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 21:11:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 21:11:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 21:11:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 21:11:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 21:11:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 21:11:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 21:11:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 21:11:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 21:11:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 21:11:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 21:11:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 21:11:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 21:11:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 21:11:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 21:11:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 21:11:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 21:11:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 21:11:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 21:11:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 21:11:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 21:11:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 21:11:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 21:11:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 21:11:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 21:11:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 21:11:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 21:11:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 21:11:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 21:11:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 21:11:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 21:11:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 21:11:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 21:11:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 21:11:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 21:11:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 21:11:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 21:11:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 21:11:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 21:11:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 21:11:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 21:11:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 21:11:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 21:11:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 21:11:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 21:11:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 21:11:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 21:11:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 21:11:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 21:11:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 21:11:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 21:11:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 21:11:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 21:11:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 21:11:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 21:11:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 21:11:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 21:11:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 21:11:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 21:11:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 21:11:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 21:11:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 21:11:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 21:11:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 21:11:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 21:11:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 21:11:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 21:11:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 21:11:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:11:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 21:11:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 21:11:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 21:11:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 21:11:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 21:11:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 21:11:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 21:11:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 21:11:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 21:11:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:11:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 21:11:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 21:11:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 21:11:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 21:11:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 21:11:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 21:11:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 21:11:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 21:11:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 21:11:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 21:11:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 21:11:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 21:11:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 21:11:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 21:11:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2019-11-15 21:11:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2019-11-15 21:11:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 21:11:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 21:11:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 21:11:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:11:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 21:11:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:11:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-15 21:11:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-15 21:11:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 21:11:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 21:11:30,191 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:11:30,659 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:11:31,225 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:11:31,225 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-15 21:11:31,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:11:31 BoogieIcfgContainer [2019-11-15 21:11:31,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:11:31,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:11:31,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:11:31,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:11:31,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:11:28" (1/3) ... [2019-11-15 21:11:31,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c703d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:11:31, skipping insertion in model container [2019-11-15 21:11:31,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:29" (2/3) ... [2019-11-15 21:11:31,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c703d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:11:31, skipping insertion in model container [2019-11-15 21:11:31,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:11:31" (3/3) ... [2019-11-15 21:11:31,235 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test10-1.i [2019-11-15 21:11:31,244 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:11:31,252 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 113 error locations. [2019-11-15 21:11:31,262 INFO L249 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2019-11-15 21:11:31,281 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:11:31,281 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 21:11:31,281 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:11:31,282 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:11:31,282 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:11:31,282 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:11:31,282 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:11:31,282 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:11:31,302 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2019-11-15 21:11:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-15 21:11:31,310 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:31,311 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:11:31,314 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:11:31,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:31,319 INFO L82 PathProgramCache]: Analyzing trace with hash 727722691, now seen corresponding path program 1 times [2019-11-15 21:11:31,329 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:11:31,330 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1268635161] [2019-11-15 21:11:31,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e02d715-077a-4743-bbb7-f31a2ffd307a/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:11:31,576 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:11:31,577 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort C_DOUBLE not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 21:11:31,581 INFO L168 Benchmark]: Toolchain (without parser) took 2992.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 947.0 MB in the beginning and 915.7 MB in the end (delta: 31.3 MB). Peak memory consumption was 134.6 MB. Max. memory is 11.5 GB. [2019-11-15 21:11:31,581 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:11:31,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -114.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-11-15 21:11:31,583 INFO L168 Benchmark]: Boogie Preprocessor took 101.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:11:31,583 INFO L168 Benchmark]: RCFGBuilder took 1746.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 929.5 MB in the end (delta: 125.2 MB). Peak memory consumption was 125.2 MB. Max. memory is 11.5 GB. [2019-11-15 21:11:31,584 INFO L168 Benchmark]: TraceAbstraction took 350.68 ms. Allocated memory is still 1.1 GB. Free memory was 929.5 MB in the beginning and 915.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:11:31,587 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 789.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -114.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 101.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1746.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 929.5 MB in the end (delta: 125.2 MB). Peak memory consumption was 125.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 350.68 ms. Allocated memory is still 1.1 GB. Free memory was 929.5 MB in the beginning and 915.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort C_DOUBLE not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...