./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 678e0110 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_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/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 e7145593e932ded499c4cd66a2795ff7414b2aa6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 10:27:07,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:27:07,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:27:07,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:27:07,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:27:07,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:27:07,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:27:07,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:27:07,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:27:07,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:27:07,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:27:07,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:27:07,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:27:07,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:27:07,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:27:07,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:27:07,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:27:07,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:27:07,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:27:07,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:27:07,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:27:07,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:27:07,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:27:07,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:27:07,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:27:07,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:27:07,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:27:07,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:27:07,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:27:07,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:27:07,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:27:07,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:27:07,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:27:07,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:27:07,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:27:07,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:27:07,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:27:07,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:27:07,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:27:07,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:27:07,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:27:07,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 10:27:07,600 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:27:07,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:27:07,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:27:07,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:27:07,614 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:27:07,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:27:07,614 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:27:07,614 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:27:07,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:27:07,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:27:07,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:27:07,615 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 10:27:07,615 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 10:27:07,615 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 10:27:07,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:27:07,616 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 10:27:07,616 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 10:27:07,616 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:27:07,616 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:27:07,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:27:07,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:27:07,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:27:07,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:27:07,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:27:07,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:27:07,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:27:07,618 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 10:27:07,618 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 10:27:07,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 10:27:07,619 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_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/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 -> e7145593e932ded499c4cd66a2795ff7414b2aa6 [2019-11-20 10:27:07,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:27:07,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:27:07,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:27:07,863 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:27:07,864 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:27:07,864 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i [2019-11-20 10:27:07,944 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/bin/uautomizer/data/0d101dc52/f4ebf2ca46294190acdf6a08f9855871/FLAG71bc1d2b1 [2019-11-20 10:27:08,616 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:27:08,617 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i [2019-11-20 10:27:08,645 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/bin/uautomizer/data/0d101dc52/f4ebf2ca46294190acdf6a08f9855871/FLAG71bc1d2b1 [2019-11-20 10:27:08,785 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/bin/uautomizer/data/0d101dc52/f4ebf2ca46294190acdf6a08f9855871 [2019-11-20 10:27:08,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:27:08,791 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-20 10:27:08,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:27:08,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:27:08,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:27:08,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:27:08" (1/1) ... [2019-11-20 10:27:08,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44224560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:27:08, skipping insertion in model container [2019-11-20 10:27:08,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:27:08" (1/1) ... [2019-11-20 10:27:08,813 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:27:08,892 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:27:09,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:27:09,571 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:27:09,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:27:09,740 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:27:09,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:27:09 WrapperNode [2019-11-20 10:27:09,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:27:09,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:27:09,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:27:09,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:27:09,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:27:09" (1/1) ... [2019-11-20 10:27:09,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:27:09" (1/1) ... [2019-11-20 10:27:09,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:27:09" (1/1) ... [2019-11-20 10:27:09,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:27:09" (1/1) ... [2019-11-20 10:27:09,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:27:09" (1/1) ... [2019-11-20 10:27:09,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:27:09" (1/1) ... [2019-11-20 10:27:09,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:27:09" (1/1) ... [2019-11-20 10:27:09,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:27:09,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:27:09,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:27:09,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:27:09,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:27:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/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 [2019-11-20 10:27:09,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-20 10:27:09,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:27:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-20 10:27:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-20 10:27:09,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-20 10:27:09,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-20 10:27:09,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-20 10:27:09,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-20 10:27:09,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-20 10:27:09,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-20 10:27:09,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-20 10:27:09,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-20 10:27:09,977 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-20 10:27:09,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-20 10:27:09,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-20 10:27:09,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-20 10:27:09,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-20 10:27:09,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-20 10:27:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-20 10:27:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-20 10:27:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-20 10:27:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-20 10:27:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-20 10:27:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-20 10:27:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-20 10:27:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-20 10:27:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-20 10:27:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-20 10:27:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-20 10:27:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-20 10:27:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-20 10:27:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-20 10:27:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-20 10:27:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-20 10:27:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-20 10:27:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-20 10:27:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-20 10:27:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-20 10:27:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-20 10:27:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-20 10:27:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-20 10:27:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-11-20 10:27:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-11-20 10:27:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2019-11-20 10:27:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2019-11-20 10:27:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-20 10:27:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-20 10:27:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-20 10:27:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-20 10:27:09,986 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-20 10:27:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-20 10:27:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-20 10:27:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-20 10:27:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-20 10:27:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-20 10:27:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-20 10:27:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-20 10:27:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-20 10:27:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-20 10:27:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-20 10:27:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-20 10:27:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-20 10:27:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-20 10:27:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-20 10:27:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-20 10:27:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-20 10:27:09,990 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-20 10:27:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-20 10:27:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-20 10:27:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-20 10:27:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-20 10:27:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-20 10:27:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-20 10:27:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-20 10:27:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-20 10:27:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-20 10:27:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-20 10:27:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-20 10:27:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-20 10:27:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-20 10:27:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-20 10:27:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-20 10:27:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-20 10:27:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-20 10:27:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-20 10:27:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-20 10:27:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-20 10:27:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-20 10:27:09,998 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-20 10:27:09,998 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-20 10:27:09,998 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-20 10:27:09,998 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-20 10:27:09,998 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-20 10:27:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-20 10:27:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-20 10:27:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-20 10:27:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-20 10:27:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-20 10:27:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-20 10:27:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-20 10:27:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-20 10:27:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-20 10:27:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-20 10:27:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-20 10:27:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-20 10:27:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-20 10:27:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-20 10:27:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-20 10:27:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-20 10:27:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-20 10:27:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-20 10:27:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-20 10:27:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-20 10:27:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-20 10:27:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-20 10:27:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-20 10:27:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-20 10:27:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-20 10:27:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-20 10:27:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-20 10:27:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-20 10:27:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-20 10:27:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-20 10:27:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-20 10:27:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-20 10:27:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-20 10:27:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-20 10:27:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-20 10:27:10,007 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-20 10:27:10,007 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-20 10:27:10,008 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-20 10:27:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-20 10:27:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-20 10:27:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-20 10:27:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-20 10:27:10,013 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-20 10:27:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-20 10:27:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-20 10:27:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-20 10:27:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-20 10:27:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-20 10:27:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-20 10:27:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-20 10:27:10,025 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-20 10:27:10,025 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-20 10:27:10,025 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-20 10:27:10,026 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-20 10:27:10,026 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-20 10:27:10,026 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-20 10:27:10,026 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-20 10:27:10,026 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-20 10:27:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-20 10:27:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-20 10:27:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-20 10:27:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-20 10:27:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-20 10:27:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-20 10:27:10,028 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-20 10:27:10,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-20 10:27:10,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-20 10:27:10,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-20 10:27:10,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-20 10:27:10,029 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-20 10:27:10,029 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-20 10:27:10,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-20 10:27:10,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 10:27:10,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-20 10:27:10,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-20 10:27:10,030 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-20 10:27:10,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 10:27:10,030 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-20 10:27:10,030 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-20 10:27:10,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-20 10:27:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 10:27:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-20 10:27:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-20 10:27:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-20 10:27:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-20 10:27:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-20 10:27:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-20 10:27:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:27:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-20 10:27:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-20 10:27:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-20 10:27:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-20 10:27:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-20 10:27:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 10:27:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 10:27:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-20 10:27:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-20 10:27:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-20 10:27:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-20 10:27:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-20 10:27:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-20 10:27:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-20 10:27:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-20 10:27:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-20 10:27:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-20 10:27:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-20 10:27:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-20 10:27:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-20 10:27:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-20 10:27:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-20 10:27:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-20 10:27:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-20 10:27:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-11-20 10:27:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-11-20 10:27:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2019-11-20 10:27:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_6 [2019-11-20 10:27:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-20 10:27:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:27:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-20 10:27:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-20 10:27:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 10:27:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:27:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-20 10:27:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-20 10:27:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-20 10:27:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-20 10:27:10,843 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:27:11,354 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:27:11,902 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:27:11,905 INFO L285 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-20 10:27:11,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:27:11 BoogieIcfgContainer [2019-11-20 10:27:11,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:27:11,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:27:11,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:27:11,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:27:11,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:27:08" (1/3) ... [2019-11-20 10:27:11,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d6cd5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:27:11, skipping insertion in model container [2019-11-20 10:27:11,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:27:09" (2/3) ... [2019-11-20 10:27:11,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d6cd5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:27:11, skipping insertion in model container [2019-11-20 10:27:11,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:27:11" (3/3) ... [2019-11-20 10:27:11,916 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test7-2.i [2019-11-20 10:27:11,927 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:27:11,938 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 81 error locations. [2019-11-20 10:27:11,951 INFO L249 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2019-11-20 10:27:11,974 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:27:11,974 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-20 10:27:11,974 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:27:11,975 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:27:11,975 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:27:11,975 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:27:11,975 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:27:11,975 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:27:12,011 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-11-20 10:27:12,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 10:27:12,023 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:27:12,024 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:27:12,025 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-20 10:27:12,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:27:12,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1763368088, now seen corresponding path program 1 times [2019-11-20 10:27:12,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:27:12,048 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1128004638] [2019-11-20 10:27:12,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/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 [2019-11-20 10:27:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:27:12,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 10:27:12,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:27:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:27:12,541 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:27:12,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:27:12,691 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1128004638] [2019-11-20 10:27:12,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:27:12,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-20 10:27:12,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998295076] [2019-11-20 10:27:12,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:27:12,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:27:12,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:27:12,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:27:12,723 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 5 states. [2019-11-20 10:27:12,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:27:12,857 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2019-11-20 10:27:12,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 10:27:12,862 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-20 10:27:12,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:27:12,883 INFO L225 Difference]: With dead ends: 84 [2019-11-20 10:27:12,883 INFO L226 Difference]: Without dead ends: 81 [2019-11-20 10:27:12,885 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:27:12,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-11-20 10:27:12,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 64. [2019-11-20 10:27:12,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-20 10:27:12,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2019-11-20 10:27:12,975 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 23 [2019-11-20 10:27:12,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:27:12,976 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2019-11-20 10:27:12,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:27:12,976 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2019-11-20 10:27:12,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 10:27:12,978 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:27:12,978 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:27:13,184 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 10:27:13,186 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-20 10:27:13,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:27:13,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1938474558, now seen corresponding path program 1 times [2019-11-20 10:27:13,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:27:13,189 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1300034469] [2019-11-20 10:27:13,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/bin/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 10:27:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:27:13,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 10:27:13,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:27:13,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:27:13,615 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:27:13,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:27:13,677 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1300034469] [2019-11-20 10:27:13,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:27:13,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-20 10:27:13,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338740998] [2019-11-20 10:27:13,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:27:13,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:27:13,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:27:13,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:27:13,681 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 5 states. [2019-11-20 10:27:13,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:27:13,745 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2019-11-20 10:27:13,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 10:27:13,746 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-20 10:27:13,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:27:13,748 INFO L225 Difference]: With dead ends: 63 [2019-11-20 10:27:13,748 INFO L226 Difference]: Without dead ends: 63 [2019-11-20 10:27:13,749 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:27:13,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-20 10:27:13,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-20 10:27:13,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-20 10:27:13,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2019-11-20 10:27:13,758 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 23 [2019-11-20 10:27:13,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:27:13,759 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2019-11-20 10:27:13,759 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:27:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2019-11-20 10:27:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 10:27:13,761 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:27:13,761 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:27:13,961 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 10:27:13,962 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-20 10:27:13,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:27:13,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1634285369, now seen corresponding path program 1 times [2019-11-20 10:27:13,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:27:13,964 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [478897841] [2019-11-20 10:27:13,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/bin/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 10:27:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:27:14,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 10:27:14,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:27:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:27:14,292 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:27:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:27:14,409 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [478897841] [2019-11-20 10:27:14,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:27:14,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-20 10:27:14,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755992586] [2019-11-20 10:27:14,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 10:27:14,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:27:14,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 10:27:14,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-20 10:27:14,411 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand 10 states. [2019-11-20 10:27:14,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:27:14,560 INFO L93 Difference]: Finished difference Result 77 states and 81 transitions. [2019-11-20 10:27:14,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 10:27:14,561 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2019-11-20 10:27:14,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:27:14,563 INFO L225 Difference]: With dead ends: 77 [2019-11-20 10:27:14,563 INFO L226 Difference]: Without dead ends: 77 [2019-11-20 10:27:14,564 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-11-20 10:27:14,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-20 10:27:14,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 67. [2019-11-20 10:27:14,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-20 10:27:14,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2019-11-20 10:27:14,583 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 23 [2019-11-20 10:27:14,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:27:14,583 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2019-11-20 10:27:14,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 10:27:14,584 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2019-11-20 10:27:14,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 10:27:14,585 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:27:14,585 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:27:14,805 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 10:27:14,806 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-20 10:27:14,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:27:14,807 INFO L82 PathProgramCache]: Analyzing trace with hash -36830405, now seen corresponding path program 1 times [2019-11-20 10:27:14,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:27:14,808 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [725659491] [2019-11-20 10:27:14,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/bin/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 10:27:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:27:15,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 10:27:15,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:27:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:27:15,235 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:27:15,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:27:15,384 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [725659491] [2019-11-20 10:27:15,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:27:15,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-11-20 10:27:15,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337748177] [2019-11-20 10:27:15,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 10:27:15,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:27:15,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 10:27:15,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-20 10:27:15,386 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand 9 states. [2019-11-20 10:27:15,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:27:15,620 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2019-11-20 10:27:15,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 10:27:15,621 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-11-20 10:27:15,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:27:15,622 INFO L225 Difference]: With dead ends: 66 [2019-11-20 10:27:15,622 INFO L226 Difference]: Without dead ends: 66 [2019-11-20 10:27:15,623 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-20 10:27:15,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-11-20 10:27:15,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-11-20 10:27:15,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-11-20 10:27:15,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2019-11-20 10:27:15,632 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 24 [2019-11-20 10:27:15,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:27:15,632 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2019-11-20 10:27:15,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 10:27:15,633 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2019-11-20 10:27:15,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 10:27:15,634 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:27:15,634 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:27:15,836 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 10:27:15,837 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-20 10:27:15,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:27:15,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1141742112, now seen corresponding path program 1 times [2019-11-20 10:27:15,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:27:15,838 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1246865508] [2019-11-20 10:27:15,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/bin/uautomizer/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 10:27:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:27:16,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 10:27:16,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:27:16,175 INFO L377 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 [2019-11-20 10:27:16,175 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 10:27:16,179 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:27:16,179 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 10:27:16,180 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-20 10:27:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:27:16,247 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:27:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:27:16,310 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1246865508] [2019-11-20 10:27:16,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:27:16,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2019-11-20 10:27:16,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586549325] [2019-11-20 10:27:16,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 10:27:16,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:27:16,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 10:27:16,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:27:16,312 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand 6 states. [2019-11-20 10:27:16,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:27:16,589 INFO L93 Difference]: Finished difference Result 86 states and 94 transitions. [2019-11-20 10:27:16,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 10:27:16,591 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-11-20 10:27:16,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:27:16,593 INFO L225 Difference]: With dead ends: 86 [2019-11-20 10:27:16,593 INFO L226 Difference]: Without dead ends: 86 [2019-11-20 10:27:16,594 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:27:16,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-11-20 10:27:16,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 75. [2019-11-20 10:27:16,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-20 10:27:16,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 83 transitions. [2019-11-20 10:27:16,603 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 83 transitions. Word has length 25 [2019-11-20 10:27:16,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:27:16,603 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 83 transitions. [2019-11-20 10:27:16,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 10:27:16,604 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2019-11-20 10:27:16,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 10:27:16,606 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:27:16,606 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:27:16,810 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 10:27:16,811 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-20 10:27:16,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:27:16,811 INFO L82 PathProgramCache]: Analyzing trace with hash 876083774, now seen corresponding path program 1 times [2019-11-20 10:27:16,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:27:16,812 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [246717812] [2019-11-20 10:27:16,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64834d7c-d1b5-4856-a6f4-7f46fdd52df3/bin/uautomizer/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 10:27:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:27:17,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 10:27:17,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:27:17,169 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:27:17,169 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-20 10:27:17,170 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 10:27:17,195 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-20 10:27:17,196 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:27:17,199 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. [2019-11-20 10:27:17,199 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-20 10:27:17,200 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:27:17,208 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:27:17,217 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:27:17,235 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:27:23,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:27:23,409 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:27:27,757 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 10:27:27,758 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) 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.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.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.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.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 10:27:27,762 INFO L168 Benchmark]: Toolchain (without parser) took 18971.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -196.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:27:27,763 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:27:27,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 945.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -157.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:27:27,764 INFO L168 Benchmark]: Boogie Preprocessor took 137.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:27:27,765 INFO L168 Benchmark]: RCFGBuilder took 2027.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.2 MB in the end (delta: 114.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:27:27,766 INFO L168 Benchmark]: TraceAbstraction took 15852.73 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.5 MB). Free memory was 982.2 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:27:27,769 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 945.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -157.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 137.24 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 2027.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.2 MB in the end (delta: 114.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15852.73 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.5 MB). Free memory was 982.2 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...