./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 1e7b1c8d88255aaa07a4a2fabadf999511fb9c76 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 1e7b1c8d88255aaa07a4a2fabadf999511fb9c76 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 18:24:02,598 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 18:24:02,600 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 18:24:02,612 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 18:24:02,612 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 18:24:02,613 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 18:24:02,614 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 18:24:02,616 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 18:24:02,618 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 18:24:02,619 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 18:24:02,619 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 18:24:02,620 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 18:24:02,620 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 18:24:02,622 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 18:24:02,623 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 18:24:02,623 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 18:24:02,624 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 18:24:02,626 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 18:24:02,628 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 18:24:02,630 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 18:24:02,631 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 18:24:02,632 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 18:24:02,637 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 18:24:02,638 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 18:24:02,638 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 18:24:02,639 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 18:24:02,640 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 18:24:02,643 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 18:24:02,645 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 18:24:02,646 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 18:24:02,646 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 18:24:02,647 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 18:24:02,649 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 18:24:02,649 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 18:24:02,650 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 18:24:02,651 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 18:24:02,651 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 18:24:02,679 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 18:24:02,679 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 18:24:02,681 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 18:24:02,681 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 18:24:02,681 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 18:24:02,682 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 18:24:02,683 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 18:24:02,683 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 18:24:02,683 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 18:24:02,683 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 18:24:02,683 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 18:24:02,683 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 18:24:02,684 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 18:24:02,684 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 18:24:02,684 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 18:24:02,684 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 18:24:02,684 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 18:24:02,685 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 18:24:02,685 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 18:24:02,685 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 18:24:02,686 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 18:24:02,686 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:24:02,686 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 18:24:02,686 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 18:24:02,686 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 18:24:02,686 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 18:24:02,687 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 1e7b1c8d88255aaa07a4a2fabadf999511fb9c76 [2019-01-01 18:24:02,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 18:24:02,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 18:24:02,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 18:24:02,748 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 18:24:02,749 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 18:24:02,749 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-01 18:24:02,808 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0e25985c/b19c07fa63e74d59baa799c1c47c216c/FLAG0b121c2ca [2019-01-01 18:24:03,386 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 18:24:03,387 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-01 18:24:03,407 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0e25985c/b19c07fa63e74d59baa799c1c47c216c/FLAG0b121c2ca [2019-01-01 18:24:03,607 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0e25985c/b19c07fa63e74d59baa799c1c47c216c [2019-01-01 18:24:03,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 18:24:03,612 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 18:24:03,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 18:24:03,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 18:24:03,617 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 18:24:03,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:24:03" (1/1) ... [2019-01-01 18:24:03,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346bceb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:03, skipping insertion in model container [2019-01-01 18:24:03,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:24:03" (1/1) ... [2019-01-01 18:24:03,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 18:24:03,700 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 18:24:04,158 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:24:04,182 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 18:24:04,347 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:24:04,451 INFO L195 MainTranslator]: Completed translation [2019-01-01 18:24:04,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:04 WrapperNode [2019-01-01 18:24:04,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 18:24:04,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 18:24:04,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 18:24:04,454 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 18:24:04,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:04" (1/1) ... [2019-01-01 18:24:04,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:04" (1/1) ... [2019-01-01 18:24:04,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:04" (1/1) ... [2019-01-01 18:24:04,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:04" (1/1) ... [2019-01-01 18:24:04,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:04" (1/1) ... [2019-01-01 18:24:04,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:04" (1/1) ... [2019-01-01 18:24:04,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:04" (1/1) ... [2019-01-01 18:24:04,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 18:24:04,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 18:24:04,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 18:24:04,569 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 18:24:04,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 18:24:04,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 18:24:04,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 18:24:04,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:24:04,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 18:24:04,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 18:24:04,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-01 18:24:04,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-01 18:24:04,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-01 18:24:04,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-01 18:24:04,636 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:24:04,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-01 18:24:04,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-01 18:24:04,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-01 18:24:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-01 18:24:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-01 18:24:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-01 18:24:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-01 18:24:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-01 18:24:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-01 18:24:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-01 18:24:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-01 18:24:04,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-01 18:24:04,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-01 18:24:04,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-01 18:24:04,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-01 18:24:04,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-01 18:24:04,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-01 18:24:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-01 18:24:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-01 18:24:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-01 18:24:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-01 18:24:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-01 18:24:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-01 18:24:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-01 18:24:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-01 18:24:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-01 18:24:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-01 18:24:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-01 18:24:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-01 18:24:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 18:24:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-01 18:24:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-01 18:24:04,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-01 18:24:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 18:24:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 18:24:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 18:24:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 18:24:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 18:24:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 18:24:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 18:24:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 18:24:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 18:24:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 18:24:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 18:24:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 18:24:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 18:24:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 18:24:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 18:24:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 18:24:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 18:24:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 18:24:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 18:24:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 18:24:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 18:24:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 18:24:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 18:24:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 18:24:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 18:24:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 18:24:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 18:24:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 18:24:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 18:24:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 18:24:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 18:24:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 18:24:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 18:24:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 18:24:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 18:24:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 18:24:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 18:24:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 18:24:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 18:24:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 18:24:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 18:24:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 18:24:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 18:24:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 18:24:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 18:24:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 18:24:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 18:24:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 18:24:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 18:24:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 18:24:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 18:24:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 18:24:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 18:24:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 18:24:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 18:24:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 18:24:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 18:24:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 18:24:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 18:24:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 18:24:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 18:24:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 18:24:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 18:24:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 18:24:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 18:24:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 18:24:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 18:24:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 18:24:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 18:24:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 18:24:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 18:24:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 18:24:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 18:24:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 18:24:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 18:24:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 18:24:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 18:24:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 18:24:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 18:24:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 18:24:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 18:24:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 18:24:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 18:24:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 18:24:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 18:24:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 18:24:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 18:24:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 18:24:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 18:24:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 18:24:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 18:24:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 18:24:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 18:24:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 18:24:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 18:24:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 18:24:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 18:24:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 18:24:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 18:24:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 18:24:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 18:24:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 18:24:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-01 18:24:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 18:24:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-01 18:24:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-01 18:24:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-01 18:24:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-01 18:24:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-01 18:24:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-01 18:24:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 18:24:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-01 18:24:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-01 18:24:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:24:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 18:24:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-01 18:24:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-01 18:24:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-01 18:24:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 18:24:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-01 18:24:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-01 18:24:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-01 18:24:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-01 18:24:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-01 18:24:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-01 18:24:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 18:24:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-01 18:24:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-01 18:24:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-01 18:24:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-01 18:24:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-01 18:24:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 18:24:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 18:24:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-01 18:24:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-01 18:24:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:24:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-01 18:24:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-01 18:24:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-01 18:24:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-01 18:24:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-01 18:24:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-01 18:24:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-01 18:24:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-01 18:24:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-01 18:24:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-01 18:24:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-01 18:24:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-01 18:24:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-01 18:24:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-01 18:24:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-01 18:24:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 18:24:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 18:24:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 18:24:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 18:24:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 18:24:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-01 18:24:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-01 18:24:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-01 18:24:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-01 18:24:05,364 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:24:06,028 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:24:06,585 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 18:24:06,585 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-01 18:24:06,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:24:06 BoogieIcfgContainer [2019-01-01 18:24:06,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 18:24:06,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 18:24:06,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 18:24:06,591 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 18:24:06,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 06:24:03" (1/3) ... [2019-01-01 18:24:06,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbdd1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:24:06, skipping insertion in model container [2019-01-01 18:24:06,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:04" (2/3) ... [2019-01-01 18:24:06,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbdd1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:24:06, skipping insertion in model container [2019-01-01 18:24:06,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:24:06" (3/3) ... [2019-01-01 18:24:06,596 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-01 18:24:06,607 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 18:24:06,617 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 78 error locations. [2019-01-01 18:24:06,637 INFO L257 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2019-01-01 18:24:06,665 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 18:24:06,666 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 18:24:06,666 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 18:24:06,666 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 18:24:06,666 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 18:24:06,666 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 18:24:06,666 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 18:24:06,667 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 18:24:06,667 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 18:24:06,689 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-01-01 18:24:06,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-01 18:24:06,700 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:06,702 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:06,706 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:06,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:06,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1422111949, now seen corresponding path program 1 times [2019-01-01 18:24:06,720 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:06,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:06,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:06,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:06,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:07,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:07,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:24:07,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:24:07,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:24:07,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:24:07,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:24:07,138 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 5 states. [2019-01-01 18:24:07,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:07,326 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2019-01-01 18:24:07,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:24:07,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-01 18:24:07,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:07,341 INFO L225 Difference]: With dead ends: 67 [2019-01-01 18:24:07,341 INFO L226 Difference]: Without dead ends: 64 [2019-01-01 18:24:07,343 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:24:07,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-01 18:24:07,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 42. [2019-01-01 18:24:07,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-01 18:24:07,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2019-01-01 18:24:07,398 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 17 [2019-01-01 18:24:07,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:07,400 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2019-01-01 18:24:07,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:24:07,400 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2019-01-01 18:24:07,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-01 18:24:07,406 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:07,406 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:07,407 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:07,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:07,411 INFO L82 PathProgramCache]: Analyzing trace with hash 320698386, now seen corresponding path program 1 times [2019-01-01 18:24:07,411 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:07,412 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:07,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:07,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:07,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:07,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:24:07,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 18:24:07,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 18:24:07,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 18:24:07,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 18:24:07,590 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 3 states. [2019-01-01 18:24:07,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:07,873 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2019-01-01 18:24:07,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 18:24:07,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-01 18:24:07,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:07,878 INFO L225 Difference]: With dead ends: 64 [2019-01-01 18:24:07,878 INFO L226 Difference]: Without dead ends: 61 [2019-01-01 18:24:07,879 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 18:24:07,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-01-01 18:24:07,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 50. [2019-01-01 18:24:07,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-01 18:24:07,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2019-01-01 18:24:07,890 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 17 [2019-01-01 18:24:07,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:07,891 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2019-01-01 18:24:07,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 18:24:07,891 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2019-01-01 18:24:07,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-01 18:24:07,893 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:07,893 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:07,894 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:07,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:07,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1136155017, now seen corresponding path program 1 times [2019-01-01 18:24:07,894 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:07,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:07,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:07,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:07,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:08,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:08,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:24:08,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:24:08,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 18:24:08,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 18:24:08,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-01 18:24:08,003 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand 4 states. [2019-01-01 18:24:08,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:08,072 INFO L93 Difference]: Finished difference Result 80 states and 100 transitions. [2019-01-01 18:24:08,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 18:24:08,074 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2019-01-01 18:24:08,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:08,076 INFO L225 Difference]: With dead ends: 80 [2019-01-01 18:24:08,076 INFO L226 Difference]: Without dead ends: 80 [2019-01-01 18:24:08,076 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-01 18:24:08,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-01-01 18:24:08,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 52. [2019-01-01 18:24:08,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-01 18:24:08,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2019-01-01 18:24:08,087 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 18 [2019-01-01 18:24:08,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:08,087 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2019-01-01 18:24:08,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 18:24:08,088 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2019-01-01 18:24:08,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:24:08,089 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:08,091 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:08,092 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:08,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:08,094 INFO L82 PathProgramCache]: Analyzing trace with hash -2130619140, now seen corresponding path program 1 times [2019-01-01 18:24:08,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:08,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:08,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:08,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:08,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:08,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:08,359 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:08,359 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-01 18:24:08,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:08,455 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:08,520 INFO L478 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 [2019-01-01 18:24:08,522 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:08,549 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:08,549 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-01 18:24:09,136 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| Int)) (= |c_#valid| (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| 1))) is different from true [2019-01-01 18:24:09,157 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2019-01-01 18:24:09,157 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:09,163 INFO L267 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. [2019-01-01 18:24:09,164 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-01-01 18:24:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2019-01-01 18:24:09,193 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:24:09,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2019-01-01 18:24:09,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:24:09,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:24:09,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=31, Unknown=1, NotChecked=10, Total=56 [2019-01-01 18:24:09,194 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand 8 states. [2019-01-01 18:24:10,139 WARN L181 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2019-01-01 18:24:10,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:10,976 INFO L93 Difference]: Finished difference Result 109 states and 128 transitions. [2019-01-01 18:24:10,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-01 18:24:10,977 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-01-01 18:24:10,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:10,980 INFO L225 Difference]: With dead ends: 109 [2019-01-01 18:24:10,980 INFO L226 Difference]: Without dead ends: 109 [2019-01-01 18:24:10,980 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=32, Invalid=81, Unknown=1, NotChecked=18, Total=132 [2019-01-01 18:24:10,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-01-01 18:24:10,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2019-01-01 18:24:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-01 18:24:10,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2019-01-01 18:24:10,992 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 83 transitions. Word has length 23 [2019-01-01 18:24:10,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:10,993 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 83 transitions. [2019-01-01 18:24:10,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:24:10,993 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2019-01-01 18:24:10,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:24:10,994 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:10,994 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:10,996 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:10,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:10,997 INFO L82 PathProgramCache]: Analyzing trace with hash -2130619139, now seen corresponding path program 1 times [2019-01-01 18:24:10,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:10,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:11,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:11,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:11,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:11,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:11,505 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:11,505 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-01 18:24:11,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:11,565 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:11,590 INFO L478 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 [2019-01-01 18:24:11,590 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:11,638 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:11,639 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2019-01-01 18:24:12,160 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size Int) (|ldv_malloc_#t~malloc12.base| Int)) (and (<= |c_ldv_malloc_#in~size| ldv_malloc_~size) (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)))) is different from true [2019-01-01 18:24:12,227 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 18 [2019-01-01 18:24:12,230 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-01-01 18:24:12,258 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-01-01 18:24:12,258 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:30 [2019-01-01 18:24:12,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2019-01-01 18:24:12,368 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:24:12,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 15 [2019-01-01 18:24:12,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-01-01 18:24:12,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-01-01 18:24:12,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=173, Unknown=1, NotChecked=26, Total=240 [2019-01-01 18:24:12,370 INFO L87 Difference]: Start difference. First operand 64 states and 83 transitions. Second operand 16 states. [2019-01-01 18:24:13,467 WARN L181 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-01 18:24:13,721 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-01-01 18:24:14,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:14,667 INFO L93 Difference]: Finished difference Result 160 states and 193 transitions. [2019-01-01 18:24:14,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-01-01 18:24:14,669 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 23 [2019-01-01 18:24:14,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:14,672 INFO L225 Difference]: With dead ends: 160 [2019-01-01 18:24:14,672 INFO L226 Difference]: Without dead ends: 160 [2019-01-01 18:24:14,672 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=109, Invalid=494, Unknown=1, NotChecked=46, Total=650 [2019-01-01 18:24:14,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-01-01 18:24:14,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 68. [2019-01-01 18:24:14,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-01-01 18:24:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 90 transitions. [2019-01-01 18:24:14,688 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 90 transitions. Word has length 23 [2019-01-01 18:24:14,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:14,688 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 90 transitions. [2019-01-01 18:24:14,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-01-01 18:24:14,688 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2019-01-01 18:24:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:24:14,691 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:14,691 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:14,692 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:14,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:14,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1658789531, now seen corresponding path program 1 times [2019-01-01 18:24:14,692 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:14,692 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:14,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:14,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:14,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:14,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-01 18:24:14,786 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:14,786 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-01 18:24:14,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:14,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:14,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-01 18:24:14,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-01-01 18:24:14,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:24:14,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:24:14,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:24:14,888 INFO L87 Difference]: Start difference. First operand 68 states and 90 transitions. Second operand 5 states. [2019-01-01 18:24:14,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:14,909 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2019-01-01 18:24:14,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:24:14,910 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-01 18:24:14,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:14,911 INFO L225 Difference]: With dead ends: 48 [2019-01-01 18:24:14,912 INFO L226 Difference]: Without dead ends: 46 [2019-01-01 18:24:14,912 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:24:14,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-01-01 18:24:14,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-01-01 18:24:14,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-01 18:24:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2019-01-01 18:24:14,918 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 23 [2019-01-01 18:24:14,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:14,918 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2019-01-01 18:24:14,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:24:14,918 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2019-01-01 18:24:14,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-01 18:24:14,921 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:14,921 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:14,922 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:14,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:14,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1174365480, now seen corresponding path program 1 times [2019-01-01 18:24:14,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:14,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:14,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:14,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:14,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:15,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-01 18:24:15,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:24:15,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:24:15,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:24:15,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:24:15,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:24:15,094 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand 5 states. [2019-01-01 18:24:15,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:15,143 INFO L93 Difference]: Finished difference Result 74 states and 89 transitions. [2019-01-01 18:24:15,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:24:15,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-01-01 18:24:15,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:15,145 INFO L225 Difference]: With dead ends: 74 [2019-01-01 18:24:15,145 INFO L226 Difference]: Without dead ends: 74 [2019-01-01 18:24:15,146 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:24:15,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-01-01 18:24:15,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 50. [2019-01-01 18:24:15,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-01 18:24:15,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 59 transitions. [2019-01-01 18:24:15,152 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 59 transitions. Word has length 25 [2019-01-01 18:24:15,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:15,152 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 59 transitions. [2019-01-01 18:24:15,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:24:15,152 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2019-01-01 18:24:15,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-01 18:24:15,154 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:15,155 INFO L402 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] [2019-01-01 18:24:15,155 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:15,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:15,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1377791481, now seen corresponding path program 1 times [2019-01-01 18:24:15,157 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:15,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:15,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:15,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:15,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:15,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-01 18:24:15,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:24:15,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:24:15,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 18:24:15,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 18:24:15,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 18:24:15,225 INFO L87 Difference]: Start difference. First operand 50 states and 59 transitions. Second operand 4 states. [2019-01-01 18:24:15,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:15,359 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2019-01-01 18:24:15,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:24:15,359 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-01-01 18:24:15,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:15,361 INFO L225 Difference]: With dead ends: 55 [2019-01-01 18:24:15,361 INFO L226 Difference]: Without dead ends: 55 [2019-01-01 18:24:15,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:24:15,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-01-01 18:24:15,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2019-01-01 18:24:15,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-01 18:24:15,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 61 transitions. [2019-01-01 18:24:15,367 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 61 transitions. Word has length 25 [2019-01-01 18:24:15,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:15,367 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 61 transitions. [2019-01-01 18:24:15,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 18:24:15,367 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2019-01-01 18:24:15,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-01 18:24:15,368 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:15,368 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:15,371 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:15,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:15,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1207720755, now seen corresponding path program 1 times [2019-01-01 18:24:15,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:24:15,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:24:15,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:15,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:15,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:24:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:24:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:24:15,420 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 18:24:15,438 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-01 18:24:15,445 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 42 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:24:15,445 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 41 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:24:15,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 06:24:15 BoogieIcfgContainer [2019-01-01 18:24:15,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 18:24:15,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 18:24:15,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 18:24:15,458 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 18:24:15,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:24:06" (3/4) ... [2019-01-01 18:24:15,465 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 18:24:15,466 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 18:24:15,467 INFO L168 Benchmark]: Toolchain (without parser) took 11855.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.4 MB). Free memory was 942.0 MB in the beginning and 1.0 GB in the end (delta: -76.2 MB). Peak memory consumption was 137.2 MB. Max. memory is 11.5 GB. [2019-01-01 18:24:15,468 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:24:15,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 838.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-01-01 18:24:15,469 INFO L168 Benchmark]: Boogie Preprocessor took 115.85 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 18:24:15,471 INFO L168 Benchmark]: RCFGBuilder took 2017.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.3 MB in the end (delta: 105.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 11.5 GB. [2019-01-01 18:24:15,472 INFO L168 Benchmark]: TraceAbstraction took 8870.56 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 999.3 MB in the beginning and 1.0 GB in the end (delta: -26.4 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. [2019-01-01 18:24:15,474 INFO L168 Benchmark]: Witness Printer took 7.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2019-01-01 18:24:15,481 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 838.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 115.85 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2017.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.3 MB in the end (delta: 105.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8870.56 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 999.3 MB in the beginning and 1.0 GB in the end (delta: -26.4 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. * Witness Printer took 7.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 42 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 41 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1458]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1458. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-1:0}] [L1459] CALL entry_point() VAL [ldv_global_msg_list={-1:0}] [L1439] int len = 10; VAL [ldv_global_msg_list={-1:0}, len=10] [L1440] CALL, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [\old(size)=40, ldv_global_msg_list={-1:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=40, \result={1:0}, ldv_global_msg_list={-1:0}, malloc(size)={1:0}, size=40] [L1440] RET, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [ldv_global_msg_list={-1:0}, ldv_malloc(sizeof(struct A18*)*len)={1:0}, len=10] [L1440] struct A18 **array = (struct A18 **)ldv_malloc(sizeof(struct A18*)*len); [L1441] struct A18 *p; [L1442] int i=0; [L1443] int j; VAL [array={1:0}, i=0, ldv_global_msg_list={-1:0}, len=10] [L1444] COND FALSE !(!array) VAL [array={1:0}, i=0, ldv_global_msg_list={-1:0}, len=10] [L1445] COND TRUE i=0) VAL [array={1:0}, i=0, j=-1, ldv_global_msg_list={-1:0}, len=10, p={0:0}] [L1459] RET entry_point() VAL [ldv_global_msg_list={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 337 locations, 78 error locations. UNSAFE Result, 8.8s OverallTime, 9 OverallIterations, 2 TraceHistogramMax, 4.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 417 SDtfs, 360 SDslu, 1270 SDs, 0 SdLazy, 1001 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 69 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 225 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 267 NumberOfCodeBlocks, 267 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 229 ConstructedInterpolants, 5 QuantifiedInterpolants, 17311 SizeOfPredicates, 10 NumberOfNonLiveVariables, 410 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 21/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2019-01-01 18:24:17,794 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 18:24:17,796 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 18:24:17,808 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 18:24:17,809 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 18:24:17,810 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 18:24:17,812 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 18:24:17,814 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 18:24:17,816 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 18:24:17,823 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 18:24:17,824 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 18:24:17,824 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 18:24:17,826 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 18:24:17,827 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 18:24:17,830 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 18:24:17,831 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 18:24:17,832 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 18:24:17,839 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 18:24:17,841 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 18:24:17,846 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 18:24:17,847 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 18:24:17,852 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 18:24:17,857 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 18:24:17,858 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 18:24:17,858 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 18:24:17,859 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 18:24:17,860 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 18:24:17,860 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 18:24:17,867 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 18:24:17,869 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 18:24:17,869 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 18:24:17,872 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 18:24:17,872 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 18:24:17,872 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 18:24:17,873 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 18:24:17,874 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 18:24:17,876 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-01 18:24:17,891 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 18:24:17,892 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 18:24:17,893 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 18:24:17,893 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 18:24:17,893 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 18:24:17,894 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 18:24:17,894 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 18:24:17,894 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 18:24:17,895 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 18:24:17,895 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 18:24:17,895 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 18:24:17,895 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 18:24:17,895 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 18:24:17,895 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 18:24:17,896 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 18:24:17,896 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-01 18:24:17,896 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-01 18:24:17,896 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 18:24:17,896 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 18:24:17,896 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 18:24:17,898 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 18:24:17,898 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 18:24:17,899 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 18:24:17,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:24:17,899 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 18:24:17,899 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 18:24:17,899 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-01 18:24:17,899 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 18:24:17,900 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-01 18:24:17,901 INFO L133 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 1e7b1c8d88255aaa07a4a2fabadf999511fb9c76 [2019-01-01 18:24:17,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 18:24:17,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 18:24:17,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 18:24:17,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 18:24:17,961 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 18:24:17,963 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-01 18:24:18,031 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4139792f/bb83ab9b354a436aa11953c392fe12cc/FLAG193a39735 [2019-01-01 18:24:18,667 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 18:24:18,668 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-01 18:24:18,685 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4139792f/bb83ab9b354a436aa11953c392fe12cc/FLAG193a39735 [2019-01-01 18:24:18,872 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4139792f/bb83ab9b354a436aa11953c392fe12cc [2019-01-01 18:24:18,875 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 18:24:18,877 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 18:24:18,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 18:24:18,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 18:24:18,884 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 18:24:18,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:24:18" (1/1) ... [2019-01-01 18:24:18,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc319d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:18, skipping insertion in model container [2019-01-01 18:24:18,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:24:18" (1/1) ... [2019-01-01 18:24:18,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 18:24:18,960 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 18:24:19,381 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:24:19,405 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 18:24:19,554 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:24:19,651 INFO L195 MainTranslator]: Completed translation [2019-01-01 18:24:19,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:19 WrapperNode [2019-01-01 18:24:19,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 18:24:19,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 18:24:19,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 18:24:19,653 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 18:24:19,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:19" (1/1) ... [2019-01-01 18:24:19,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:19" (1/1) ... [2019-01-01 18:24:19,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:19" (1/1) ... [2019-01-01 18:24:19,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:19" (1/1) ... [2019-01-01 18:24:19,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:19" (1/1) ... [2019-01-01 18:24:19,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:19" (1/1) ... [2019-01-01 18:24:19,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:19" (1/1) ... [2019-01-01 18:24:19,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 18:24:19,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 18:24:19,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 18:24:19,794 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 18:24:19,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 18:24:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 18:24:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 18:24:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:24:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 18:24:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 18:24:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-01 18:24:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-01 18:24:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-01 18:24:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-01 18:24:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:24:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-01 18:24:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-01 18:24:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-01 18:24:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-01 18:24:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-01 18:24:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-01 18:24:19,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-01 18:24:19,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-01 18:24:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-01 18:24:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-01 18:24:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-01 18:24:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-01 18:24:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-01 18:24:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-01 18:24:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-01 18:24:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-01 18:24:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-01 18:24:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-01 18:24:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-01 18:24:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-01 18:24:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-01 18:24:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-01 18:24:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-01 18:24:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-01 18:24:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-01 18:24:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-01 18:24:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-01 18:24:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-01 18:24:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-01 18:24:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 18:24:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-01 18:24:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-01 18:24:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-01 18:24:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 18:24:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 18:24:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 18:24:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 18:24:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 18:24:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 18:24:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 18:24:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 18:24:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 18:24:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 18:24:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 18:24:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 18:24:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 18:24:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 18:24:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 18:24:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 18:24:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 18:24:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 18:24:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 18:24:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 18:24:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 18:24:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 18:24:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 18:24:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 18:24:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 18:24:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 18:24:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 18:24:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 18:24:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 18:24:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 18:24:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 18:24:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 18:24:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 18:24:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 18:24:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 18:24:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 18:24:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 18:24:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 18:24:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 18:24:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 18:24:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 18:24:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 18:24:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 18:24:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 18:24:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 18:24:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 18:24:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 18:24:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 18:24:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 18:24:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 18:24:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 18:24:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 18:24:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 18:24:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 18:24:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 18:24:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 18:24:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 18:24:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 18:24:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 18:24:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 18:24:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 18:24:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 18:24:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 18:24:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 18:24:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 18:24:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 18:24:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 18:24:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 18:24:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 18:24:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 18:24:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 18:24:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 18:24:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 18:24:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 18:24:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 18:24:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 18:24:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 18:24:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 18:24:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 18:24:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 18:24:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 18:24:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 18:24:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 18:24:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 18:24:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 18:24:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 18:24:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 18:24:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 18:24:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 18:24:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 18:24:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 18:24:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 18:24:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 18:24:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 18:24:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 18:24:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 18:24:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 18:24:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 18:24:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 18:24:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 18:24:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 18:24:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 18:24:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-01 18:24:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 18:24:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-01 18:24:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-01 18:24:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-01 18:24:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-01 18:24:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-01 18:24:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-01 18:24:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 18:24:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-01 18:24:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-01 18:24:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:24:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 18:24:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-01 18:24:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-01 18:24:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-01 18:24:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 18:24:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-01 18:24:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-01 18:24:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-01 18:24:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-01 18:24:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-01 18:24:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-01 18:24:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 18:24:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-01 18:24:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-01 18:24:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-01 18:24:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-01 18:24:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-01 18:24:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-01 18:24:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-01 18:24:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-01 18:24:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-01 18:24:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:24:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-01 18:24:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-01 18:24:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-01 18:24:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-01 18:24:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-01 18:24:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-01 18:24:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-01 18:24:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-01 18:24:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-01 18:24:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-01 18:24:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-01 18:24:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-01 18:24:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-01 18:24:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-01 18:24:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-01 18:24:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 18:24:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 18:24:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 18:24:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 18:24:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 18:24:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-01 18:24:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-01 18:24:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-01 18:24:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-01 18:24:20,672 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:24:21,520 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:24:22,755 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 18:24:22,756 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-01 18:24:22,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:24:22 BoogieIcfgContainer [2019-01-01 18:24:22,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 18:24:22,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 18:24:22,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 18:24:22,762 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 18:24:22,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 06:24:18" (1/3) ... [2019-01-01 18:24:22,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687bef8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:24:22, skipping insertion in model container [2019-01-01 18:24:22,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:24:19" (2/3) ... [2019-01-01 18:24:22,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687bef8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:24:22, skipping insertion in model container [2019-01-01 18:24:22,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:24:22" (3/3) ... [2019-01-01 18:24:22,767 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-01 18:24:22,779 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 18:24:22,791 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 78 error locations. [2019-01-01 18:24:22,811 INFO L257 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2019-01-01 18:24:22,840 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 18:24:22,841 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 18:24:22,841 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 18:24:22,841 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 18:24:22,841 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 18:24:22,842 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 18:24:22,842 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 18:24:22,842 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 18:24:22,842 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 18:24:22,873 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-01-01 18:24:22,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-01 18:24:22,884 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:22,885 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:22,887 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:22,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:22,898 INFO L82 PathProgramCache]: Analyzing trace with hash -141661324, now seen corresponding path program 1 times [2019-01-01 18:24:22,903 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:24:22,905 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 18:24:22,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:23,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:23,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:23,092 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:24:23,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:24:23,104 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:24:23,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:24:23,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:24:23,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:24:23,124 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 5 states. [2019-01-01 18:24:23,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:23,338 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2019-01-01 18:24:23,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:24:23,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-01 18:24:23,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:23,352 INFO L225 Difference]: With dead ends: 67 [2019-01-01 18:24:23,352 INFO L226 Difference]: Without dead ends: 64 [2019-01-01 18:24:23,354 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:24:23,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-01 18:24:23,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 42. [2019-01-01 18:24:23,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-01 18:24:23,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2019-01-01 18:24:23,400 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 17 [2019-01-01 18:24:23,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:23,401 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2019-01-01 18:24:23,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:24:23,401 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2019-01-01 18:24:23,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-01 18:24:23,404 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:23,404 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:23,406 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:23,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:23,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1601149011, now seen corresponding path program 1 times [2019-01-01 18:24:23,407 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:24:23,407 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 18:24:23,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:23,480 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:23,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:23,501 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:24:23,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:24:23,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 18:24:23,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 18:24:23,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 18:24:23,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 18:24:23,508 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 3 states. [2019-01-01 18:24:23,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:23,842 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2019-01-01 18:24:23,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 18:24:23,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-01 18:24:23,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:23,845 INFO L225 Difference]: With dead ends: 64 [2019-01-01 18:24:23,848 INFO L226 Difference]: Without dead ends: 61 [2019-01-01 18:24:23,849 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 18:24:23,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-01-01 18:24:23,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 50. [2019-01-01 18:24:23,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-01 18:24:23,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2019-01-01 18:24:23,867 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 17 [2019-01-01 18:24:23,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:23,868 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2019-01-01 18:24:23,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 18:24:23,868 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2019-01-01 18:24:23,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-01 18:24:23,871 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:23,872 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:23,872 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:23,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:23,873 INFO L82 PathProgramCache]: Analyzing trace with hash -96891339, now seen corresponding path program 1 times [2019-01-01 18:24:23,876 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:24:23,876 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 18:24:23,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:23,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:24,159 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:24:24,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:24:24,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:24:24,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 18:24:24,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 18:24:24,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-01 18:24:24,164 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand 4 states. [2019-01-01 18:24:24,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:24,248 INFO L93 Difference]: Finished difference Result 80 states and 100 transitions. [2019-01-01 18:24:24,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 18:24:24,249 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2019-01-01 18:24:24,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:24,251 INFO L225 Difference]: With dead ends: 80 [2019-01-01 18:24:24,251 INFO L226 Difference]: Without dead ends: 80 [2019-01-01 18:24:24,252 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-01 18:24:24,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-01-01 18:24:24,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 52. [2019-01-01 18:24:24,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-01 18:24:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2019-01-01 18:24:24,264 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 18 [2019-01-01 18:24:24,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:24,264 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2019-01-01 18:24:24,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 18:24:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2019-01-01 18:24:24,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:24:24,266 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:24,266 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:24,268 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:24,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:24,268 INFO L82 PathProgramCache]: Analyzing trace with hash -38795203, now seen corresponding path program 1 times [2019-01-01 18:24:24,269 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:24:24,269 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 18:24:24,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:24,378 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:24,407 INFO L478 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 [2019-01-01 18:24:24,409 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:24,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:24,412 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-01 18:24:25,398 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (= (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| (_ bv1 1)) |c_#valid|)) is different from true [2019-01-01 18:24:25,420 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2019-01-01 18:24:25,421 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:25,429 INFO L267 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. [2019-01-01 18:24:25,430 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-01-01 18:24:25,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2019-01-01 18:24:25,446 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:24:25,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:25,739 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:24:25,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2019-01-01 18:24:25,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:24:25,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:24:25,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=27, Unknown=5, NotChecked=10, Total=56 [2019-01-01 18:24:25,740 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand 8 states. [2019-01-01 18:24:27,140 WARN L181 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 21 DAG size of output: 13 [2019-01-01 18:24:27,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:27,492 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2019-01-01 18:24:27,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 18:24:27,495 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-01-01 18:24:27,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:27,496 INFO L225 Difference]: With dead ends: 68 [2019-01-01 18:24:27,497 INFO L226 Difference]: Without dead ends: 68 [2019-01-01 18:24:27,497 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=22, Invalid=47, Unknown=7, NotChecked=14, Total=90 [2019-01-01 18:24:27,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-01-01 18:24:27,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2019-01-01 18:24:27,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-01 18:24:27,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2019-01-01 18:24:27,508 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 83 transitions. Word has length 23 [2019-01-01 18:24:27,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:27,509 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 83 transitions. [2019-01-01 18:24:27,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:24:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2019-01-01 18:24:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:24:27,511 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:27,511 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:27,511 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:27,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:27,512 INFO L82 PathProgramCache]: Analyzing trace with hash -38795202, now seen corresponding path program 1 times [2019-01-01 18:24:27,512 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:24:27,512 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 18:24:27,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:27,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:27,668 INFO L478 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 [2019-01-01 18:24:27,668 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:27,690 INFO L478 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 [2019-01-01 18:24:27,691 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:27,704 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:27,705 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-01 18:24:29,121 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2019-01-01 18:24:29,149 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:29,151 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:29,152 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2019-01-01 18:24:29,153 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,183 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2019-01-01 18:24:29,185 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,211 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,212 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:14 [2019-01-01 18:24:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2019-01-01 18:24:29,240 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:24:29,652 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 18:24:29,652 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-01 18:24:29,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:29,701 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:29,721 INFO L478 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 [2019-01-01 18:24:29,721 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,797 INFO L478 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 [2019-01-01 18:24:29,798 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,811 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,812 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-01 18:24:29,844 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:29,848 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2019-01-01 18:24:29,848 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,909 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:29,911 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:24:29,912 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2019-01-01 18:24:29,912 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,930 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:24:29,931 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-01-01 18:24:29,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2019-01-01 18:24:29,933 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-01 18:24:30,234 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 18:24:30,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2019-01-01 18:24:30,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-01 18:24:30,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-01 18:24:30,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=88, Unknown=1, NotChecked=18, Total=132 [2019-01-01 18:24:30,236 INFO L87 Difference]: Start difference. First operand 64 states and 83 transitions. Second operand 10 states. [2019-01-01 18:24:31,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:31,278 INFO L93 Difference]: Finished difference Result 106 states and 132 transitions. [2019-01-01 18:24:31,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:24:31,282 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2019-01-01 18:24:31,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:31,283 INFO L225 Difference]: With dead ends: 106 [2019-01-01 18:24:31,283 INFO L226 Difference]: Without dead ends: 106 [2019-01-01 18:24:31,284 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=54, Invalid=221, Unknown=1, NotChecked=30, Total=306 [2019-01-01 18:24:31,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-01-01 18:24:31,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 68. [2019-01-01 18:24:31,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-01-01 18:24:31,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 90 transitions. [2019-01-01 18:24:31,293 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 90 transitions. Word has length 23 [2019-01-01 18:24:31,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:31,294 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 90 transitions. [2019-01-01 18:24:31,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-01 18:24:31,295 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2019-01-01 18:24:31,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:24:31,296 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:31,296 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:31,296 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:31,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:31,299 INFO L82 PathProgramCache]: Analyzing trace with hash -544353828, now seen corresponding path program 1 times [2019-01-01 18:24:31,299 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:24:31,300 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 18:24:31,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:31,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:31,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:24:31,440 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (8)] Exception during sending of exit command (exit): Broken pipe [2019-01-01 18:24:31,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:24:31,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:24:31,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:24:31,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:24:31,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:24:31,443 INFO L87 Difference]: Start difference. First operand 68 states and 90 transitions. Second operand 5 states. [2019-01-01 18:24:31,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:31,507 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2019-01-01 18:24:31,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:24:31,508 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-01 18:24:31,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:31,508 INFO L225 Difference]: With dead ends: 48 [2019-01-01 18:24:31,508 INFO L226 Difference]: Without dead ends: 46 [2019-01-01 18:24:31,509 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:24:31,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-01-01 18:24:31,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-01-01 18:24:31,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-01 18:24:31,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2019-01-01 18:24:31,515 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 23 [2019-01-01 18:24:31,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:31,515 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2019-01-01 18:24:31,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:24:31,516 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2019-01-01 18:24:31,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-01 18:24:31,518 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:31,518 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:31,518 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:31,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:31,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1372474377, now seen corresponding path program 1 times [2019-01-01 18:24:31,521 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:24:31,521 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 18:24:31,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:31,576 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-01 18:24:31,606 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:24:31,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:24:31,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:24:31,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:24:31,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:24:31,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:24:31,610 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand 5 states. [2019-01-01 18:24:31,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:31,717 INFO L93 Difference]: Finished difference Result 74 states and 89 transitions. [2019-01-01 18:24:31,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:24:31,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-01-01 18:24:31,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:31,719 INFO L225 Difference]: With dead ends: 74 [2019-01-01 18:24:31,720 INFO L226 Difference]: Without dead ends: 74 [2019-01-01 18:24:31,720 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:24:31,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-01-01 18:24:31,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 50. [2019-01-01 18:24:31,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-01 18:24:31,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 59 transitions. [2019-01-01 18:24:31,725 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 59 transitions. Word has length 25 [2019-01-01 18:24:31,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:31,726 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 59 transitions. [2019-01-01 18:24:31,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:24:31,727 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2019-01-01 18:24:31,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-01 18:24:31,727 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:31,728 INFO L402 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] [2019-01-01 18:24:31,728 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:31,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:31,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1179682584, now seen corresponding path program 1 times [2019-01-01 18:24:31,730 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:24:31,730 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 18:24:31,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:24:31,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:24:31,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-01 18:24:31,952 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:24:31,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:24:31,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:24:31,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 18:24:31,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 18:24:31,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 18:24:31,956 INFO L87 Difference]: Start difference. First operand 50 states and 59 transitions. Second operand 4 states. [2019-01-01 18:24:32,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:24:32,128 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2019-01-01 18:24:32,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 18:24:32,130 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-01-01 18:24:32,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:24:32,131 INFO L225 Difference]: With dead ends: 55 [2019-01-01 18:24:32,131 INFO L226 Difference]: Without dead ends: 55 [2019-01-01 18:24:32,132 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:24:32,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-01-01 18:24:32,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2019-01-01 18:24:32,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-01 18:24:32,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 61 transitions. [2019-01-01 18:24:32,138 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 61 transitions. Word has length 25 [2019-01-01 18:24:32,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:24:32,138 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 61 transitions. [2019-01-01 18:24:32,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 18:24:32,138 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2019-01-01 18:24:32,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-01 18:24:32,140 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:24:32,140 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:24:32,141 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:24:32,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:24:32,142 INFO L82 PathProgramCache]: Analyzing trace with hash 196368207, now seen corresponding path program 1 times [2019-01-01 18:24:32,142 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:24:32,142 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 18:24:32,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:24:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:24:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:24:32,345 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 18:24:32,346 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:24:32,380 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-01 18:24:32,393 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:24:32,393 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:24:32,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 06:24:32 BoogieIcfgContainer [2019-01-01 18:24:32,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 18:24:32,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 18:24:32,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 18:24:32,421 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 18:24:32,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:24:22" (3/4) ... [2019-01-01 18:24:32,432 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 18:24:32,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 18:24:32,437 INFO L168 Benchmark]: Toolchain (without parser) took 13560.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -127.1 MB). Peak memory consumption was 92.6 MB. Max. memory is 11.5 GB. [2019-01-01 18:24:32,438 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:24:32,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2019-01-01 18:24:32,439 INFO L168 Benchmark]: Boogie Preprocessor took 139.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:24:32,440 INFO L168 Benchmark]: RCFGBuilder took 2963.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.6 MB). Peak memory consumption was 104.6 MB. Max. memory is 11.5 GB. [2019-01-01 18:24:32,440 INFO L168 Benchmark]: TraceAbstraction took 9663.36 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -53.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-01-01 18:24:32,446 INFO L168 Benchmark]: Witness Printer took 14.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:24:32,453 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 774.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 139.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2963.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.6 MB). Peak memory consumption was 104.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9663.36 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -53.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Witness Printer took 14.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1458]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1458. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483647:0}] [L1459] CALL entry_point() VAL [ldv_global_msg_list={-2147483647:0}] [L1439] int len = 10; VAL [ldv_global_msg_list={-2147483647:0}, len=10] [L1440] CALL, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [\old(size)=40, ldv_global_msg_list={-2147483647:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=40, \result={1:0}, ldv_global_msg_list={-2147483647:0}, malloc(size)={1:0}, size=40] [L1440] RET, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [ldv_global_msg_list={-2147483647:0}, ldv_malloc(sizeof(struct A18*)*len)={1:0}, len=10] [L1440] struct A18 **array = (struct A18 **)ldv_malloc(sizeof(struct A18*)*len); [L1441] struct A18 *p; [L1442] int i=0; [L1443] int j; VAL [array={1:0}, i=0, ldv_global_msg_list={-2147483647:0}, len=10] [L1444] COND FALSE !(!array) VAL [array={1:0}, i=0, ldv_global_msg_list={-2147483647:0}, len=10] [L1445] COND TRUE i=0) VAL [array={1:0}, i=0, j=4294967295, ldv_global_msg_list={-2147483647:0}, len=10, p={0:0}] [L1459] RET entry_point() VAL [ldv_global_msg_list={-2147483647:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 336 locations, 78 error locations. UNSAFE Result, 9.5s OverallTime, 9 OverallIterations, 2 TraceHistogramMax, 3.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 357 SDtfs, 262 SDslu, 780 SDs, 0 SdLazy, 482 SolverSat, 41 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 182 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 130 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 207 ConstructedInterpolants, 10 QuantifiedInterpolants, 18165 SizeOfPredicates, 23 NumberOfNonLiveVariables, 804 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 18/28 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...