./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test15-2.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_93cb9ac3-7629-4efb-a411-2726e537fbff/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test15-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/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 e6a0770eb2c463eae88ecc18779bd9f5bc099613 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 06:45:05,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:45:05,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:45:05,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:45:05,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:45:05,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:45:05,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:45:05,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:45:05,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:45:05,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:45:05,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:45:05,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:45:05,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:45:05,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:45:05,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:45:05,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:45:05,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:45:05,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:45:05,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:45:05,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:45:05,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:45:05,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:45:05,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:45:05,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:45:05,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:45:05,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:45:05,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:45:05,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:45:05,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:45:05,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:45:05,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:45:05,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:45:05,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:45:05,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:45:05,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:45:05,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:45:05,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:45:05,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:45:05,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:45:05,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:45:05,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:45:05,549 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 06:45:05,572 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:45:05,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:45:05,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:45:05,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:45:05,584 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:45:05,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:45:05,585 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:45:05,585 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 06:45:05,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:45:05,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:45:05,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:45:05,586 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 06:45:05,586 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 06:45:05,586 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 06:45:05,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:45:05,586 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 06:45:05,587 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 06:45:05,587 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:45:05,588 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:45:05,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:45:05,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:45:05,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:45:05,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 06:45:05,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:45:05,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:45:05,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:45:05,589 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 06:45:05,590 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 06:45:05,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 06:45:05,591 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_93cb9ac3-7629-4efb-a411-2726e537fbff/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 -> e6a0770eb2c463eae88ecc18779bd9f5bc099613 [2019-11-20 06:45:05,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:45:05,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:45:05,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:45:05,771 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:45:05,772 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:45:05,773 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test15-2.i [2019-11-20 06:45:05,831 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/bin/uautomizer/data/1a1d75a67/6ca9ff33630b4a419369a0f22dc9c6aa/FLAGe442f7a1b [2019-11-20 06:45:06,353 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:45:06,354 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/sv-benchmarks/c/ldv-memsafety/memleaks_test15-2.i [2019-11-20 06:45:06,376 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/bin/uautomizer/data/1a1d75a67/6ca9ff33630b4a419369a0f22dc9c6aa/FLAGe442f7a1b [2019-11-20 06:45:06,660 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/bin/uautomizer/data/1a1d75a67/6ca9ff33630b4a419369a0f22dc9c6aa [2019-11-20 06:45:06,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:45:06,665 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-20 06:45:06,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:45:06,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:45:06,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:45:06,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:06" (1/1) ... [2019-11-20 06:45:06,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd3a192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:06, skipping insertion in model container [2019-11-20 06:45:06,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:06" (1/1) ... [2019-11-20 06:45:06,687 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:45:06,743 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:45:07,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:45:07,259 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:45:07,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:45:07,417 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:45:07,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:07 WrapperNode [2019-11-20 06:45:07,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:45:07,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:45:07,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:45:07,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:45:07,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:07" (1/1) ... [2019-11-20 06:45:07,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:07" (1/1) ... [2019-11-20 06:45:07,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:07" (1/1) ... [2019-11-20 06:45:07,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:07" (1/1) ... [2019-11-20 06:45:07,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:07" (1/1) ... [2019-11-20 06:45:07,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:07" (1/1) ... [2019-11-20 06:45:07,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:07" (1/1) ... [2019-11-20 06:45:07,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:45:07,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:45:07,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:45:07,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:45:07,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/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 06:45:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-20 06:45:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:45:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-20 06:45:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-20 06:45:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-20 06:45:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-20 06:45:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-20 06:45:07,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-20 06:45:07,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-20 06:45:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-20 06:45:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-20 06:45:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-20 06:45:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-20 06:45:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-20 06:45:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-20 06:45:07,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-20 06:45:07,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-20 06:45:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-20 06:45:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-20 06:45:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-20 06:45:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-20 06:45:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-20 06:45:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-20 06:45:07,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-20 06:45:07,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-20 06:45:07,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-20 06:45:07,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-20 06:45:07,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-20 06:45:07,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-20 06:45:07,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-20 06:45:07,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-20 06:45:07,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-20 06:45:07,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-20 06:45:07,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-20 06:45:07,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-20 06:45:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-20 06:45:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-20 06:45:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-20 06:45:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-20 06:45:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-20 06:45:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-20 06:45:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_hid_get_drvdata [2019-11-20 06:45:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_hid_set_drvdata [2019-11-20 06:45:07,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_arvo_device_struct [2019-11-20 06:45:07,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_specials [2019-11-20 06:45:07,602 INFO L138 BoogieDeclarations]: Found implementation of procedure lvd_arvo_remove_specials [2019-11-20 06:45:07,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_probe [2019-11-20 06:45:07,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_remove [2019-11-20 06:45:07,602 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-20 06:45:07,602 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-20 06:45:07,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-20 06:45:07,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-20 06:45:07,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-20 06:45:07,603 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-20 06:45:07,603 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-20 06:45:07,603 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-20 06:45:07,604 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-20 06:45:07,604 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-20 06:45:07,604 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-20 06:45:07,604 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-20 06:45:07,604 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-20 06:45:07,604 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-20 06:45:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-20 06:45:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-20 06:45:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-20 06:45:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-20 06:45:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-20 06:45:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-20 06:45:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-20 06:45:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-20 06:45:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-20 06:45:07,607 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-20 06:45:07,607 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-20 06:45:07,607 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-20 06:45:07,608 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-20 06:45:07,608 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-20 06:45:07,608 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-20 06:45:07,609 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-20 06:45:07,609 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-20 06:45:07,609 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-20 06:45:07,609 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-20 06:45:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-20 06:45:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-20 06:45:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-20 06:45:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-20 06:45:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-20 06:45:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-20 06:45:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-20 06:45:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-20 06:45:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-20 06:45:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-20 06:45:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-20 06:45:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-20 06:45:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-20 06:45:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-20 06:45:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-20 06:45:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-20 06:45:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-20 06:45:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-20 06:45:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-20 06:45:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-20 06:45:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-20 06:45:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-20 06:45:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-20 06:45:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-20 06:45:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-20 06:45:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-20 06:45:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-20 06:45:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-20 06:45:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-20 06:45:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-20 06:45:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-20 06:45:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-20 06:45:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-20 06:45:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-20 06:45:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-20 06:45:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-20 06:45:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-20 06:45:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-20 06:45:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-20 06:45:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-20 06:45:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-20 06:45:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-20 06:45:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-20 06:45:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-20 06:45:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-20 06:45:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-20 06:45:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-20 06:45:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-20 06:45:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-20 06:45:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-20 06:45:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-20 06:45:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-20 06:45:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-20 06:45:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-20 06:45:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-20 06:45:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-20 06:45:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-20 06:45:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-20 06:45:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-20 06:45:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-20 06:45:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-20 06:45:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-20 06:45:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-20 06:45:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-20 06:45:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-20 06:45:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-20 06:45:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-20 06:45:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-20 06:45:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-20 06:45:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-20 06:45:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-20 06:45:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-20 06:45:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-20 06:45:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-20 06:45:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-20 06:45:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-20 06:45:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-20 06:45:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-20 06:45:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-20 06:45:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-20 06:45:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-20 06:45:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-20 06:45:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-20 06:45:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-20 06:45:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-20 06:45:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-20 06:45:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-20 06:45:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 06:45:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-20 06:45:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-20 06:45:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-20 06:45:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 06:45:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-20 06:45:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-20 06:45:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-20 06:45:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 06:45:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-20 06:45:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-20 06:45:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-20 06:45:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-20 06:45:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-20 06:45:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-20 06:45:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:45:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-20 06:45:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-20 06:45:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-20 06:45:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-20 06:45:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-20 06:45:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 06:45:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 06:45:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-20 06:45:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-20 06:45:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-20 06:45:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-20 06:45:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-20 06:45:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-20 06:45:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-20 06:45:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-20 06:45:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-20 06:45:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-20 06:45:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-20 06:45:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-20 06:45:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-20 06:45:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-20 06:45:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-20 06:45:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-20 06:45:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-20 06:45:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_hid_get_drvdata [2019-11-20 06:45:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_hid_set_drvdata [2019-11-20 06:45:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_arvo_device_struct [2019-11-20 06:45:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_specials [2019-11-20 06:45:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-20 06:45:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure lvd_arvo_remove_specials [2019-11-20 06:45:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_probe [2019-11-20 06:45:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_remove [2019-11-20 06:45:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-20 06:45:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-11-20 06:45:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-20 06:45:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-20 06:45:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:45:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 06:45:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:45:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-20 06:45:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-20 06:45:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2019-11-20 06:45:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-20 06:45:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2019-11-20 06:45:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-20 06:45:08,331 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 06:45:08,885 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 06:45:09,437 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:45:09,438 INFO L285 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-20 06:45:09,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:09 BoogieIcfgContainer [2019-11-20 06:45:09,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:45:09,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 06:45:09,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 06:45:09,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 06:45:09,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:45:06" (1/3) ... [2019-11-20 06:45:09,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182f25c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:45:09, skipping insertion in model container [2019-11-20 06:45:09,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:07" (2/3) ... [2019-11-20 06:45:09,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182f25c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:45:09, skipping insertion in model container [2019-11-20 06:45:09,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:09" (3/3) ... [2019-11-20 06:45:09,450 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test15-2.i [2019-11-20 06:45:09,458 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 06:45:09,464 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 116 error locations. [2019-11-20 06:45:09,473 INFO L249 AbstractCegarLoop]: Starting to check reachability of 116 error locations. [2019-11-20 06:45:09,490 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 06:45:09,490 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-20 06:45:09,490 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 06:45:09,490 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:45:09,490 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:45:09,490 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 06:45:09,490 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:45:09,490 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 06:45:09,510 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states. [2019-11-20 06:45:09,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 06:45:09,517 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:09,517 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:45:09,519 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, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_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, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:45:09,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:09,524 INFO L82 PathProgramCache]: Analyzing trace with hash -866134243, now seen corresponding path program 1 times [2019-11-20 06:45:09,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:45:09,536 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [524661385] [2019-11-20 06:45:09,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/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 06:45:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:09,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 06:45:09,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:45:09,910 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 06:45:09,910 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:45:10,002 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 06:45:10,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [524661385] [2019-11-20 06:45:10,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:45:10,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-20 06:45:10,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345899521] [2019-11-20 06:45:10,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 06:45:10,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:45:10,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 06:45:10,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:45:10,028 INFO L87 Difference]: Start difference. First operand 250 states. Second operand 5 states. [2019-11-20 06:45:10,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:45:10,183 INFO L93 Difference]: Finished difference Result 231 states and 256 transitions. [2019-11-20 06:45:10,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 06:45:10,185 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-20 06:45:10,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:45:10,201 INFO L225 Difference]: With dead ends: 231 [2019-11-20 06:45:10,203 INFO L226 Difference]: Without dead ends: 228 [2019-11-20 06:45:10,205 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 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 06:45:10,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-11-20 06:45:10,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 181. [2019-11-20 06:45:10,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-11-20 06:45:10,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 196 transitions. [2019-11-20 06:45:10,273 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 196 transitions. Word has length 16 [2019-11-20 06:45:10,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:45:10,273 INFO L462 AbstractCegarLoop]: Abstraction has 181 states and 196 transitions. [2019-11-20 06:45:10,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 06:45:10,274 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 196 transitions. [2019-11-20 06:45:10,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 06:45:10,275 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:10,275 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:45:10,477 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:45:10,478 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, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_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, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:45:10,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:10,480 INFO L82 PathProgramCache]: Analyzing trace with hash 876676092, now seen corresponding path program 1 times [2019-11-20 06:45:10,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:45:10,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1042733261] [2019-11-20 06:45:10,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/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 06:45:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:10,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 06:45:10,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:45:10,803 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 06:45:10,803 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:45:10,954 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 06:45:10,954 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1042733261] [2019-11-20 06:45:10,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:45:10,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 06:45:10,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78211182] [2019-11-20 06:45:10,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 06:45:10,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:45:10,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 06:45:10,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:45:10,957 INFO L87 Difference]: Start difference. First operand 181 states and 196 transitions. Second operand 3 states. [2019-11-20 06:45:11,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:45:11,380 INFO L93 Difference]: Finished difference Result 241 states and 267 transitions. [2019-11-20 06:45:11,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:45:11,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-20 06:45:11,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:45:11,383 INFO L225 Difference]: With dead ends: 241 [2019-11-20 06:45:11,384 INFO L226 Difference]: Without dead ends: 238 [2019-11-20 06:45:11,384 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:45:11,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2019-11-20 06:45:11,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 177. [2019-11-20 06:45:11,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2019-11-20 06:45:11,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 189 transitions. [2019-11-20 06:45:11,402 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 189 transitions. Word has length 16 [2019-11-20 06:45:11,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:45:11,402 INFO L462 AbstractCegarLoop]: Abstraction has 177 states and 189 transitions. [2019-11-20 06:45:11,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 06:45:11,402 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 189 transitions. [2019-11-20 06:45:11,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 06:45:11,403 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:11,403 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:45:11,606 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:45:11,607 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, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_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, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:45:11,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:11,607 INFO L82 PathProgramCache]: Analyzing trace with hash -966693284, now seen corresponding path program 1 times [2019-11-20 06:45:11,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:45:11,608 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [735734702] [2019-11-20 06:45:11,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/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 06:45:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:11,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 06:45:11,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:45:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:45:11,946 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:45:11,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:45:11,988 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [735734702] [2019-11-20 06:45:11,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 06:45:11,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-20 06:45:11,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190801921] [2019-11-20 06:45:11,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 06:45:11,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:45:11,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 06:45:11,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:45:11,989 INFO L87 Difference]: Start difference. First operand 177 states and 189 transitions. Second operand 5 states. [2019-11-20 06:45:12,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:45:12,034 INFO L93 Difference]: Finished difference Result 176 states and 188 transitions. [2019-11-20 06:45:12,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 06:45:12,035 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-11-20 06:45:12,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:45:12,037 INFO L225 Difference]: With dead ends: 176 [2019-11-20 06:45:12,037 INFO L226 Difference]: Without dead ends: 176 [2019-11-20 06:45:12,037 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 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 06:45:12,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2019-11-20 06:45:12,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2019-11-20 06:45:12,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2019-11-20 06:45:12,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 188 transitions. [2019-11-20 06:45:12,064 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 188 transitions. Word has length 21 [2019-11-20 06:45:12,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:45:12,064 INFO L462 AbstractCegarLoop]: Abstraction has 176 states and 188 transitions. [2019-11-20 06:45:12,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 06:45:12,064 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 188 transitions. [2019-11-20 06:45:12,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 06:45:12,065 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:12,065 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:45:12,274 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:45:12,275 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, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_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, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:45:12,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:12,275 INFO L82 PathProgramCache]: Analyzing trace with hash 97279794, now seen corresponding path program 1 times [2019-11-20 06:45:12,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:45:12,276 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1366207324] [2019-11-20 06:45:12,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/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 06:45:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:12,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 06:45:12,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:45:12,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:45:12,554 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:45:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:45:12,594 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1366207324] [2019-11-20 06:45:12,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:45:12,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-20 06:45:12,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802841922] [2019-11-20 06:45:12,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 06:45:12,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:45:12,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 06:45:12,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:45:12,595 INFO L87 Difference]: Start difference. First operand 176 states and 188 transitions. Second operand 5 states. [2019-11-20 06:45:12,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:45:12,769 INFO L93 Difference]: Finished difference Result 223 states and 244 transitions. [2019-11-20 06:45:12,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 06:45:12,770 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-20 06:45:12,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:45:12,772 INFO L225 Difference]: With dead ends: 223 [2019-11-20 06:45:12,772 INFO L226 Difference]: Without dead ends: 223 [2019-11-20 06:45:12,772 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 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 06:45:12,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-11-20 06:45:12,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 180. [2019-11-20 06:45:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2019-11-20 06:45:12,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 194 transitions. [2019-11-20 06:45:12,793 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 194 transitions. Word has length 22 [2019-11-20 06:45:12,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:45:12,794 INFO L462 AbstractCegarLoop]: Abstraction has 180 states and 194 transitions. [2019-11-20 06:45:12,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 06:45:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 194 transitions. [2019-11-20 06:45:12,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 06:45:12,795 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:12,795 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:45:13,006 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:45:13,007 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, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_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, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:45:13,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:13,008 INFO L82 PathProgramCache]: Analyzing trace with hash 984783475, now seen corresponding path program 1 times [2019-11-20 06:45:13,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:45:13,009 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [28048982] [2019-11-20 06:45:13,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/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 06:45:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:13,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 06:45:13,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:45:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:45:13,380 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:45:13,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:45:13,487 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [28048982] [2019-11-20 06:45:13,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 06:45:13,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2019-11-20 06:45:13,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194145927] [2019-11-20 06:45:13,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 06:45:13,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:45:13,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 06:45:13,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-20 06:45:13,489 INFO L87 Difference]: Start difference. First operand 180 states and 194 transitions. Second operand 9 states. [2019-11-20 06:45:13,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:45:13,926 INFO L93 Difference]: Finished difference Result 179 states and 193 transitions. [2019-11-20 06:45:13,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 06:45:13,927 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-20 06:45:13,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:45:13,928 INFO L225 Difference]: With dead ends: 179 [2019-11-20 06:45:13,928 INFO L226 Difference]: Without dead ends: 179 [2019-11-20 06:45:13,929 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 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 06:45:13,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-11-20 06:45:13,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2019-11-20 06:45:13,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2019-11-20 06:45:13,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 193 transitions. [2019-11-20 06:45:13,936 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 193 transitions. Word has length 22 [2019-11-20 06:45:13,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:45:13,936 INFO L462 AbstractCegarLoop]: Abstraction has 179 states and 193 transitions. [2019-11-20 06:45:13,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 06:45:13,937 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 193 transitions. [2019-11-20 06:45:13,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 06:45:13,937 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:13,938 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:45:14,140 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:45:14,141 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, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_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, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:45:14,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:14,141 INFO L82 PathProgramCache]: Analyzing trace with hash 463517181, now seen corresponding path program 1 times [2019-11-20 06:45:14,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:45:14,142 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1958741941] [2019-11-20 06:45:14,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/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 06:45:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:14,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 06:45:14,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:45:14,387 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 06:45:14,388 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:45:14,392 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:45:14,392 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:45:14,392 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-20 06:45:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:45:14,425 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:45:14,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:45:14,530 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1958741941] [2019-11-20 06:45:14,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 06:45:14,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2019-11-20 06:45:14,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663372867] [2019-11-20 06:45:14,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 06:45:14,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:45:14,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 06:45:14,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-20 06:45:14,531 INFO L87 Difference]: Start difference. First operand 179 states and 193 transitions. Second operand 7 states. [2019-11-20 06:45:15,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:45:15,653 INFO L93 Difference]: Finished difference Result 343 states and 387 transitions. [2019-11-20 06:45:15,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 06:45:15,653 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2019-11-20 06:45:15,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:45:15,656 INFO L225 Difference]: With dead ends: 343 [2019-11-20 06:45:15,656 INFO L226 Difference]: Without dead ends: 343 [2019-11-20 06:45:15,656 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2019-11-20 06:45:15,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-11-20 06:45:15,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 199. [2019-11-20 06:45:15,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-11-20 06:45:15,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 230 transitions. [2019-11-20 06:45:15,669 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 230 transitions. Word has length 23 [2019-11-20 06:45:15,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:45:15,670 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 230 transitions. [2019-11-20 06:45:15,670 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 06:45:15,670 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 230 transitions. [2019-11-20 06:45:15,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 06:45:15,671 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:15,672 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:45:15,874 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:45:15,875 INFO L410 AbstractCegarLoop]: === Iteration 7 === [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, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_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, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:45:15,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:15,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1971068990, now seen corresponding path program 1 times [2019-11-20 06:45:15,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:45:15,876 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [25316557] [2019-11-20 06:45:15,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/bin/uautomizer/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:45:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:16,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 06:45:16,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:45:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:45:16,137 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:45:16,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:45:16,159 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [25316557] [2019-11-20 06:45:16,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 06:45:16,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-20 06:45:16,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604092792] [2019-11-20 06:45:16,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 06:45:16,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:45:16,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 06:45:16,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 06:45:16,160 INFO L87 Difference]: Start difference. First operand 199 states and 230 transitions. Second operand 6 states. [2019-11-20 06:45:16,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:45:16,241 INFO L93 Difference]: Finished difference Result 236 states and 270 transitions. [2019-11-20 06:45:16,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 06:45:16,243 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2019-11-20 06:45:16,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:45:16,245 INFO L225 Difference]: With dead ends: 236 [2019-11-20 06:45:16,245 INFO L226 Difference]: Without dead ends: 235 [2019-11-20 06:45:16,246 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-20 06:45:16,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2019-11-20 06:45:16,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 215. [2019-11-20 06:45:16,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2019-11-20 06:45:16,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 266 transitions. [2019-11-20 06:45:16,255 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 266 transitions. Word has length 23 [2019-11-20 06:45:16,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:45:16,255 INFO L462 AbstractCegarLoop]: Abstraction has 215 states and 266 transitions. [2019-11-20 06:45:16,256 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 06:45:16,256 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 266 transitions. [2019-11-20 06:45:16,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 06:45:16,257 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:16,257 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:45:16,459 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:45:16,460 INFO L410 AbstractCegarLoop]: === Iteration 8 === [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, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_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, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:45:16,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:16,460 INFO L82 PathProgramCache]: Analyzing trace with hash 2044884972, now seen corresponding path program 1 times [2019-11-20 06:45:16,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:45:16,460 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1521375280] [2019-11-20 06:45:16,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/bin/uautomizer/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:45:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:16,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 06:45:16,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:45:16,728 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 06:45:16,728 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:45:16,736 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:45:16,739 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 06:45:16,739 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 06:45:16,745 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:45:16,745 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:45:16,746 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-20 06:45:18,879 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 06:45:18,881 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 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-20 06:45:18,881 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:45:18,894 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:45:18,909 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:45:18,909 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-20 06:45:18,910 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 06:45:18,920 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:45:18,920 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:45:18,921 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:11 [2019-11-20 06:45:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 06:45:18,940 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:45:19,067 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 06:45:20,419 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:45:20,419 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 06:45:20,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:45:20,422 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:45:20,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:45:20,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 06:45:20,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:45:20,428 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:45:23,114 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2019-11-20 06:45:23,128 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:45:26,109 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-20 06:45:26,120 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-20 06:45:26,121 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:45:26,131 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:45:26,132 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-20 06:45:26,133 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 06:45:26,141 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:45:26,141 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:45:26,141 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-20 06:45:26,239 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 06:45:26,240 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1521375280] [2019-11-20 06:45:26,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 06:45:26,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2019-11-20 06:45:26,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440639119] [2019-11-20 06:45:26,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-20 06:45:26,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:45:26,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-20 06:45:26,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=200, Unknown=3, NotChecked=0, Total=240 [2019-11-20 06:45:26,242 INFO L87 Difference]: Start difference. First operand 215 states and 266 transitions. Second operand 16 states. [2019-11-20 06:45:40,727 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-11-20 06:45:48,970 WARN L838 $PredicateComparison]: unable to prove that (and (= c_ldv_malloc_~size |c_ldv_malloc_#in~size|) (forall ((v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_entry_point_~intf~2.base_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32))) (.cse1 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_49 (_ BitVec 32))) (and (not (bvsle (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_49) v_entry_point_~intf~2.base_BEFORE_CALL_2))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_2)))) (bvsle .cse0 (select |c_#length| v_entry_point_~intf~2.base_BEFORE_CALL_2)) (not (bvsle .cse1 .cse0)) (not (bvsle (_ bv0 32) .cse1))))) (exists ((v_prenex_1 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_1))) (= (_ bv0 32) |c_ldv_malloc_#res.offset|) (= (bvadd (select |c_#valid| |c_ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1)) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= (select |c_#length| |c_ldv_malloc_#res.base|) |c_ldv_malloc_#in~size|)) is different from false [2019-11-20 06:46:09,316 WARN L191 SmtUtils]: Spent 8.15 s on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2019-11-20 06:46:40,854 WARN L838 $PredicateComparison]: unable to prove that (and (= c_ldv_malloc_~size |c_ldv_malloc_#in~size|) (forall ((|v_ldv_malloc_#t~malloc12.base_35| (_ BitVec 32)) (v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ BitVec 32)) (ldv_malloc_~size (_ BitVec 32)) (v_entry_point_~intf~2.base_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv4 32))) (.cse1 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32)))) (or (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_35|) (_ bv0 1))) (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_49 (_ BitVec 32))) (and (not (bvsle (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_49) v_entry_point_~intf~2.base_BEFORE_CALL_2))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_2)))) (not (bvsle .cse0 .cse1)) (not (bvsle (_ bv0 32) .cse0)) (bvsle .cse1 (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_35| ldv_malloc_~size) v_entry_point_~intf~2.base_BEFORE_CALL_2))))) (forall ((v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_entry_point_~intf~2.base_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse2 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32))) (.cse3 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_49 (_ BitVec 32))) (and (not (bvsle (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_49) v_entry_point_~intf~2.base_BEFORE_CALL_2))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_2)))) (bvsle .cse2 (select |c_#length| v_entry_point_~intf~2.base_BEFORE_CALL_2)) (not (bvsle .cse3 .cse2)) (not (bvsle (_ bv0 32) .cse3))))) (exists ((v_prenex_1 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_1))) (= (_ bv0 32) |c_ldv_malloc_#res.offset|) (= (bvadd (select |c_#valid| |c_ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1)) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= (select |c_#length| |c_ldv_malloc_#res.base|) |c_ldv_malloc_#in~size|)) is different from false [2019-11-20 06:46:55,994 WARN L838 $PredicateComparison]: unable to prove that (and (= (bvadd (select |c_#valid| c_entry_point_~intf~2.base) (_ bv1 1)) (_ bv0 1)) (forall ((v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_entry_point_~intf~2.base_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32))) (.cse1 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_49 (_ BitVec 32))) (and (not (bvsle (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_49) v_entry_point_~intf~2.base_BEFORE_CALL_2))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_2)))) (bvsle .cse0 (select |c_#length| v_entry_point_~intf~2.base_BEFORE_CALL_2)) (not (bvsle .cse1 .cse0)) (not (bvsle (_ bv0 32) .cse1))))) (exists ((v_prenex_1 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_1))) (= (bvadd (select |c_#length| c_entry_point_~intf~2.base) (_ bv4294967276 32)) (_ bv0 32)) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= c_entry_point_~intf~2.offset (_ bv0 32))) is different from false [2019-11-20 06:47:39,028 WARN L191 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2019-11-20 06:47:57,553 WARN L191 SmtUtils]: Spent 8.20 s on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2019-11-20 06:48:46,583 WARN L191 SmtUtils]: Spent 14.16 s on a formula simplification. DAG size of input: 45 DAG size of output: 16 [2019-11-20 06:51:01,919 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd c_entry_point_~intf~2.offset (_ bv4 32))) (.cse3 (bvadd c_entry_point_~intf~2.offset (_ bv8 32)))) (and (forall ((v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_entry_point_~intf~2.base_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32))) (.cse1 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_49 (_ BitVec 32))) (and (not (bvsle (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_49) v_entry_point_~intf~2.base_BEFORE_CALL_2))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_2)))) (bvsle .cse0 (select |c_#length| v_entry_point_~intf~2.base_BEFORE_CALL_2)) (not (bvsle .cse1 .cse0)) (not (bvsle (_ bv0 32) .cse1))))) (exists ((v_prenex_1 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_1))) (bvsle (_ bv0 32) .cse2) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (bvsle .cse3 (select |c_#length| c_entry_point_~intf~2.base)) (bvsle .cse2 .cse3))) is different from false [2019-11-20 06:52:27,197 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2019-11-20 06:53:22,572 WARN L191 SmtUtils]: Spent 34.71 s on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2019-11-20 06:54:01,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:54:01,695 INFO L93 Difference]: Finished difference Result 413 states and 524 transitions. [2019-11-20 06:54:01,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-11-20 06:54:01,696 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2019-11-20 06:54:01,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:54:01,699 INFO L225 Difference]: With dead ends: 413 [2019-11-20 06:54:01,699 INFO L226 Difference]: Without dead ends: 409 [2019-11-20 06:54:01,700 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 143.8s TimeCoverageRelationStatistics Valid=155, Invalid=703, Unknown=28, NotChecked=236, Total=1122 [2019-11-20 06:54:01,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-11-20 06:54:01,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 288. [2019-11-20 06:54:01,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2019-11-20 06:54:01,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 390 transitions. [2019-11-20 06:54:01,715 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 390 transitions. Word has length 26 [2019-11-20 06:54:01,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:54:01,715 INFO L462 AbstractCegarLoop]: Abstraction has 288 states and 390 transitions. [2019-11-20 06:54:01,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-20 06:54:01,715 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 390 transitions. [2019-11-20 06:54:01,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 06:54:01,717 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:54:01,717 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:54:01,919 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:54:01,920 INFO L410 AbstractCegarLoop]: === Iteration 9 === [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, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_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, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:54:01,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:54:01,920 INFO L82 PathProgramCache]: Analyzing trace with hash 2044884971, now seen corresponding path program 1 times [2019-11-20 06:54:01,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:54:01,921 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [646937180] [2019-11-20 06:54:01,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/bin/uautomizer/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:54:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:54:02,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 06:54:02,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:54:02,185 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 06:54:02,186 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:54:02,187 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:54:02,187 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:54:02,188 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-20 06:54:02,280 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:54:02,281 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-11-20 06:54:02,282 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:54:02,305 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-20 06:54:02,306 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 06:54:02,306 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-20 06:54:02,334 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:54:02,334 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:54:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:54:04,607 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [646937180] [2019-11-20 06:54:04,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 06:54:04,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-20 06:54:04,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233667109] [2019-11-20 06:54:04,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-20 06:54:04,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:54:04,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-20 06:54:04,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=123, Unknown=1, NotChecked=0, Total=156 [2019-11-20 06:54:04,608 INFO L87 Difference]: Start difference. First operand 288 states and 390 transitions. Second operand 13 states. [2019-11-20 06:55:28,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:55:28,273 INFO L93 Difference]: Finished difference Result 413 states and 540 transitions. [2019-11-20 06:55:28,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-20 06:55:28,273 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 26 [2019-11-20 06:55:28,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:55:28,276 INFO L225 Difference]: With dead ends: 413 [2019-11-20 06:55:28,276 INFO L226 Difference]: Without dead ends: 413 [2019-11-20 06:55:28,277 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=92, Invalid=327, Unknown=1, NotChecked=0, Total=420 [2019-11-20 06:55:28,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-11-20 06:55:28,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 309. [2019-11-20 06:55:28,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-11-20 06:55:28,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 431 transitions. [2019-11-20 06:55:28,292 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 431 transitions. Word has length 26 [2019-11-20 06:55:28,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:55:28,292 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 431 transitions. [2019-11-20 06:55:28,292 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-20 06:55:28,292 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 431 transitions. [2019-11-20 06:55:28,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 06:55:28,293 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:55:28,294 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:55:28,497 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:55:28,498 INFO L410 AbstractCegarLoop]: === Iteration 10 === [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, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_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, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:55:28,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:55:28,498 INFO L82 PathProgramCache]: Analyzing trace with hash 247933613, now seen corresponding path program 1 times [2019-11-20 06:55:28,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:55:28,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1852647915] [2019-11-20 06:55:28,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/bin/uautomizer/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:55:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:55:28,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 06:55:28,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:55:28,759 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:55:28,759 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:55:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 06:55:28,813 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1852647915] [2019-11-20 06:55:28,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 06:55:28,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-20 06:55:28,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142535576] [2019-11-20 06:55:28,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 06:55:28,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:55:28,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 06:55:28,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:55:28,814 INFO L87 Difference]: Start difference. First operand 309 states and 431 transitions. Second operand 5 states. [2019-11-20 06:55:28,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:55:28,868 INFO L93 Difference]: Finished difference Result 262 states and 329 transitions. [2019-11-20 06:55:28,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 06:55:28,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-20 06:55:28,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:55:28,872 INFO L225 Difference]: With dead ends: 262 [2019-11-20 06:55:28,872 INFO L226 Difference]: Without dead ends: 260 [2019-11-20 06:55:28,872 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 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 06:55:28,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2019-11-20 06:55:28,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 258. [2019-11-20 06:55:28,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2019-11-20 06:55:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 325 transitions. [2019-11-20 06:55:28,889 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 325 transitions. Word has length 26 [2019-11-20 06:55:28,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:55:28,889 INFO L462 AbstractCegarLoop]: Abstraction has 258 states and 325 transitions. [2019-11-20 06:55:28,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 06:55:28,889 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 325 transitions. [2019-11-20 06:55:28,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 06:55:28,893 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:55:28,893 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:55:29,096 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:55:29,104 INFO L410 AbstractCegarLoop]: === Iteration 11 === [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, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_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, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:55:29,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:55:29,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1047842410, now seen corresponding path program 2 times [2019-11-20 06:55:29,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:55:29,105 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [362278798] [2019-11-20 06:55:29,105 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/bin/uautomizer/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:55:29,382 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 06:55:29,382 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 06:55:29,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 06:55:29,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:55:29,425 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 06:55:29,425 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:55:29,475 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 06:55:29,476 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [362278798] [2019-11-20 06:55:29,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 06:55:29,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-20 06:55:29,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18187001] [2019-11-20 06:55:29,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 06:55:29,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:55:29,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 06:55:29,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:55:29,477 INFO L87 Difference]: Start difference. First operand 258 states and 325 transitions. Second operand 5 states. [2019-11-20 06:55:29,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:55:29,506 INFO L93 Difference]: Finished difference Result 209 states and 234 transitions. [2019-11-20 06:55:29,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 06:55:29,507 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-20 06:55:29,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:55:29,508 INFO L225 Difference]: With dead ends: 209 [2019-11-20 06:55:29,508 INFO L226 Difference]: Without dead ends: 207 [2019-11-20 06:55:29,509 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 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 06:55:29,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2019-11-20 06:55:29,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2019-11-20 06:55:29,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2019-11-20 06:55:29,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 232 transitions. [2019-11-20 06:55:29,519 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 232 transitions. Word has length 26 [2019-11-20 06:55:29,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:55:29,520 INFO L462 AbstractCegarLoop]: Abstraction has 207 states and 232 transitions. [2019-11-20 06:55:29,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 06:55:29,520 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 232 transitions. [2019-11-20 06:55:29,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 06:55:29,524 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:55:29,525 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:55:29,725 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:55:29,726 INFO L410 AbstractCegarLoop]: === Iteration 12 === [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, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_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, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:55:29,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:55:29,726 INFO L82 PathProgramCache]: Analyzing trace with hash 321010482, now seen corresponding path program 1 times [2019-11-20 06:55:29,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:55:29,726 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1050768949] [2019-11-20 06:55:29,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93cb9ac3-7629-4efb-a411-2726e537fbff/bin/uautomizer/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:55:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:55:29,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-20 06:55:29,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:55:29,983 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:55:29,983 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 06:55:29,983 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:55:29,998 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-20 06:55:29,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:55:29,999 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 06:55:29,999 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-20 06:55:29,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:55:30,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:55:30,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:55:30,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:55:36,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:55:36,133 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:55:40,521 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:55:40,522 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 06:55:40,525 INFO L168 Benchmark]: Toolchain (without parser) took 633860.47 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 266.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 91.9 MB. Max. memory is 11.5 GB. [2019-11-20 06:55:40,525 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:55:40,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:55:40,526 INFO L168 Benchmark]: Boogie Preprocessor took 97.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:55:40,527 INFO L168 Benchmark]: RCFGBuilder took 1923.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.5 MB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:55:40,528 INFO L168 Benchmark]: TraceAbstraction took 631083.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 137.9 MB). Free memory was 947.5 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:55:40,529 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 749.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 97.27 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1923.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.5 MB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 631083.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 137.9 MB). Free memory was 947.5 MB in the beginning and 1.1 GB in the end (delta: -172.2 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...