./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_efe27d61-713c-4fa5-a6d4-64ffc4f2d916/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_efe27d61-713c-4fa5-a6d4-64ffc4f2d916/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_efe27d61-713c-4fa5-a6d4-64ffc4f2d916/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_efe27d61-713c-4fa5-a6d4-64ffc4f2d916/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_efe27d61-713c-4fa5-a6d4-64ffc4f2d916/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_efe27d61-713c-4fa5-a6d4-64ffc4f2d916/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 94c873f16bd85a0cccd11c4ae0d2828b5585d490 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:10:40,734 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:10:40,736 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:10:40,742 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:10:40,742 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:10:40,743 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:10:40,744 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:10:40,745 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:10:40,746 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:10:40,747 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:10:40,748 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:10:40,748 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:10:40,749 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:10:40,749 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:10:40,750 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:10:40,751 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:10:40,751 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:10:40,752 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:10:40,754 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:10:40,755 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:10:40,756 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:10:40,757 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:10:40,758 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:10:40,758 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:10:40,759 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:10:40,759 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:10:40,760 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:10:40,760 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:10:40,761 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:10:40,762 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:10:40,762 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:10:40,762 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:10:40,763 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:10:40,763 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:10:40,763 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:10:40,764 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:10:40,764 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_efe27d61-713c-4fa5-a6d4-64ffc4f2d916/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-23 13:10:40,774 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:10:40,774 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:10:40,775 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:10:40,775 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:10:40,776 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:10:40,776 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:10:40,776 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:10:40,776 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:10:40,776 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:10:40,776 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:10:40,777 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:10:40,777 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:10:40,777 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:10:40,777 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:10:40,777 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:10:40,777 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:10:40,778 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:10:40,778 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:10:40,778 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:10:40,778 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:10:40,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:10:40,778 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:10:40,779 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:10:40,779 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:10:40,779 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:10:40,779 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:10:40,779 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:10:40,779 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:10:40,779 INFO L133 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_efe27d61-713c-4fa5-a6d4-64ffc4f2d916/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94c873f16bd85a0cccd11c4ae0d2828b5585d490 [2018-11-23 13:10:40,803 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:10:40,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:10:40,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:10:40,816 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:10:40,816 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:10:40,817 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_efe27d61-713c-4fa5-a6d4-64ffc4f2d916/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 13:10:40,863 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_efe27d61-713c-4fa5-a6d4-64ffc4f2d916/bin-2019/uautomizer/data/307e8e2c6/a56234070a594874bdeec78af0d7b989/FLAG1593f36d1 [2018-11-23 13:10:41,296 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:10:41,296 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_efe27d61-713c-4fa5-a6d4-64ffc4f2d916/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 13:10:41,310 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_efe27d61-713c-4fa5-a6d4-64ffc4f2d916/bin-2019/uautomizer/data/307e8e2c6/a56234070a594874bdeec78af0d7b989/FLAG1593f36d1 [2018-11-23 13:10:41,625 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_efe27d61-713c-4fa5-a6d4-64ffc4f2d916/bin-2019/uautomizer/data/307e8e2c6/a56234070a594874bdeec78af0d7b989 [2018-11-23 13:10:41,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:10:41,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:10:41,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:10:41,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:10:41,633 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:10:41,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:10:41" (1/1) ... [2018-11-23 13:10:41,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72cea5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:41, skipping insertion in model container [2018-11-23 13:10:41,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:10:41" (1/1) ... [2018-11-23 13:10:41,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:10:41,699 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:10:41,898 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1756] [2018-11-23 13:10:41,899 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1757-1758] [2018-11-23 13:10:42,205 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:10:42,217 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:10:42,257 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1756] [2018-11-23 13:10:42,257 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1757-1758] [2018-11-23 13:10:42,306 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:10:42,354 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:10:42,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:42 WrapperNode [2018-11-23 13:10:42,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:10:42,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:10:42,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:10:42,356 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:10:42,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:42" (1/1) ... [2018-11-23 13:10:42,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:42" (1/1) ... [2018-11-23 13:10:42,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:10:42,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:10:42,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:10:42,395 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:10:42,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:42" (1/1) ... [2018-11-23 13:10:42,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:42" (1/1) ... [2018-11-23 13:10:42,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:42" (1/1) ... [2018-11-23 13:10:42,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:42" (1/1) ... [2018-11-23 13:10:42,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:42" (1/1) ... [2018-11-23 13:10:42,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:42" (1/1) ... [2018-11-23 13:10:42,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:42" (1/1) ... [2018-11-23 13:10:42,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:10:42,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:10:42,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:10:42,452 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:10:42,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_efe27d61-713c-4fa5-a6d4-64ffc4f2d916/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:10:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2018-11-23 13:10:42,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2018-11-23 13:10:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_stop_kthread [2018-11-23 13:10:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:10:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_busted_write_lock [2018-11-23 13:10:42,506 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_busted_write_lock [2018-11-23 13:10:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_weight [2018-11-23 13:10:42,507 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_weight [2018-11-23 13:10:42,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 13:10:42,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 13:10:42,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 13:10:42,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 13:10:42,507 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2018-11-23 13:10:42,507 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2018-11-23 13:10:42,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 13:10:42,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 13:10:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure torture_shutdown_init [2018-11-23 13:10:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_delay [2018-11-23 13:10:42,508 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_delay [2018-11-23 13:10:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2018-11-23 13:10:42,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2018-11-23 13:10:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-23 13:10:42,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-23 13:10:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_create_kthread [2018-11-23 13:10:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_lock [2018-11-23 13:10:42,509 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_lock [2018-11-23 13:10:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2018-11-23 13:10:42,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2018-11-23 13:10:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 13:10:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_spin_write_unlock_irq [2018-11-23 13:10:42,509 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_spin_write_unlock_irq [2018-11-23 13:10:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_printk [2018-11-23 13:10:42,509 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_printk [2018-11-23 13:10:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 13:10:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 13:10:42,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 13:10:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2018-11-23 13:10:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2018-11-23 13:10:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2018-11-23 13:10:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure torture_random [2018-11-23 13:10:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2018-11-23 13:10:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2018-11-23 13:10:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2018-11-23 13:10:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_cleanup [2018-11-23 13:10:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_cleanup [2018-11-23 13:10:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure torture_init_end [2018-11-23 13:10:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:10:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:10:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2018-11-23 13:10:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2018-11-23 13:10:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2018-11-23 13:10:42,516 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2018-11-23 13:10:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-23 13:10:42,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-23 13:10:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:10:42,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:10:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2018-11-23 13:10:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 13:10:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_stats_print [2018-11-23 13:10:42,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_stats_print [2018-11-23 13:10:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-23 13:10:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure torture_init_begin [2018-11-23 13:10:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 13:10:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2018-11-23 13:10:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2018-11-23 13:10:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2018-11-23 13:10:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2018-11-23 13:10:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_lock_irq [2018-11-23 13:10:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_lock_irq [2018-11-23 13:10:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-23 13:10:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-23 13:10:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_init [2018-11-23 13:10:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_init [2018-11-23 13:10:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 13:10:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:10:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 13:10:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2018-11-23 13:10:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2018-11-23 13:10:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure torture_onoff_failures [2018-11-23 13:10:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_busted_write_delay [2018-11-23 13:10:42,519 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_busted_write_delay [2018-11-23 13:10:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure torture_shuffle_init [2018-11-23 13:10:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-11-23 13:10:42,519 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-11-23 13:10:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure torture_onoff_init [2018-11-23 13:10:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-23 13:10:42,519 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-23 13:10:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_busted_write_unlock [2018-11-23 13:10:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_busted_write_unlock [2018-11-23 13:10:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure torture_stutter_init [2018-11-23 13:10:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 13:10:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 13:10:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_print_module_parms [2018-11-23 13:10:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_print_module_parms [2018-11-23 13:10:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 13:10:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 13:10:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 13:10:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 13:10:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_3 [2018-11-23 13:10:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2018-11-23 13:10:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2018-11-23 13:10:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure __bitmap_weight [2018-11-23 13:10:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2018-11-23 13:10:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2018-11-23 13:10:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 13:10:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-23 13:10:42,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-23 13:10:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure torture_cleanup [2018-11-23 13:10:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_unlock [2018-11-23 13:10:42,522 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_unlock [2018-11-23 13:10:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:10:42,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:10:43,635 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:10:43,635 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 13:10:43,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:43 BoogieIcfgContainer [2018-11-23 13:10:43,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:10:43,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:10:43,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:10:43,639 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:10:43,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:10:41" (1/3) ... [2018-11-23 13:10:43,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6223b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:10:43, skipping insertion in model container [2018-11-23 13:10:43,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:42" (2/3) ... [2018-11-23 13:10:43,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6223b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:10:43, skipping insertion in model container [2018-11-23 13:10:43,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:43" (3/3) ... [2018-11-23 13:10:43,642 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 13:10:43,649 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:10:43,655 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:10:43,666 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:10:43,690 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:10:43,691 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:10:43,691 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:10:43,691 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:10:43,692 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:10:43,692 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:10:43,692 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:10:43,692 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:10:43,692 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:10:43,711 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states. [2018-11-23 13:10:43,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 13:10:43,721 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:10:43,722 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:10:43,724 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:10:43,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:10:43,728 INFO L82 PathProgramCache]: Analyzing trace with hash 396356557, now seen corresponding path program 1 times [2018-11-23 13:10:43,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:10:43,730 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:10:43,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:43,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:10:43,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:10:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:10:44,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:10:44,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:10:44,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:10:44,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:10:44,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:10:44,047 INFO L87 Difference]: Start difference. First operand 343 states. Second operand 3 states. [2018-11-23 13:10:44,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:10:44,199 INFO L93 Difference]: Finished difference Result 903 states and 1248 transitions. [2018-11-23 13:10:44,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:10:44,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-11-23 13:10:44,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:10:44,217 INFO L225 Difference]: With dead ends: 903 [2018-11-23 13:10:44,217 INFO L226 Difference]: Without dead ends: 503 [2018-11-23 13:10:44,222 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:10:44,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2018-11-23 13:10:44,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 500. [2018-11-23 13:10:44,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-11-23 13:10:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 678 transitions. [2018-11-23 13:10:44,300 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 678 transitions. Word has length 44 [2018-11-23 13:10:44,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:10:44,300 INFO L480 AbstractCegarLoop]: Abstraction has 500 states and 678 transitions. [2018-11-23 13:10:44,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:10:44,301 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 678 transitions. [2018-11-23 13:10:44,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 13:10:44,303 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:10:44,303 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:10:44,304 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:10:44,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:10:44,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1265336883, now seen corresponding path program 1 times [2018-11-23 13:10:44,304 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:10:44,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:10:44,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:44,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:10:44,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:10:44,440 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:10:44,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:10:44,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:10:44,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:10:44,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:10:44,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:10:44,442 INFO L87 Difference]: Start difference. First operand 500 states and 678 transitions. Second operand 4 states. [2018-11-23 13:10:44,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:10:44,598 INFO L93 Difference]: Finished difference Result 985 states and 1339 transitions. [2018-11-23 13:10:44,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:10:44,599 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2018-11-23 13:10:44,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:10:44,603 INFO L225 Difference]: With dead ends: 985 [2018-11-23 13:10:44,603 INFO L226 Difference]: Without dead ends: 506 [2018-11-23 13:10:44,605 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:10:44,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2018-11-23 13:10:44,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 501. [2018-11-23 13:10:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2018-11-23 13:10:44,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 679 transitions. [2018-11-23 13:10:44,635 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 679 transitions. Word has length 51 [2018-11-23 13:10:44,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:10:44,635 INFO L480 AbstractCegarLoop]: Abstraction has 501 states and 679 transitions. [2018-11-23 13:10:44,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:10:44,636 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 679 transitions. [2018-11-23 13:10:44,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 13:10:44,638 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:10:44,638 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:10:44,638 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:10:44,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:10:44,639 INFO L82 PathProgramCache]: Analyzing trace with hash 728807823, now seen corresponding path program 1 times [2018-11-23 13:10:44,639 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:10:44,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:10:44,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:44,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:10:44,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:10:44,772 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:10:44,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:10:44,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:10:44,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:10:44,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:10:44,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:10:44,773 INFO L87 Difference]: Start difference. First operand 501 states and 679 transitions. Second operand 3 states. [2018-11-23 13:10:44,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:10:44,806 INFO L93 Difference]: Finished difference Result 981 states and 1335 transitions. [2018-11-23 13:10:44,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:10:44,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2018-11-23 13:10:44,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:10:44,809 INFO L225 Difference]: With dead ends: 981 [2018-11-23 13:10:44,809 INFO L226 Difference]: Without dead ends: 501 [2018-11-23 13:10:44,810 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:10:44,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2018-11-23 13:10:44,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 501. [2018-11-23 13:10:44,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2018-11-23 13:10:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 678 transitions. [2018-11-23 13:10:44,833 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 678 transitions. Word has length 51 [2018-11-23 13:10:44,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:10:44,834 INFO L480 AbstractCegarLoop]: Abstraction has 501 states and 678 transitions. [2018-11-23 13:10:44,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:10:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 678 transitions. [2018-11-23 13:10:44,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 13:10:44,835 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:10:44,835 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:10:44,835 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:10:44,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:10:44,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1495017553, now seen corresponding path program 1 times [2018-11-23 13:10:44,836 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:10:44,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:10:44,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:44,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:10:44,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:10:44,930 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:10:44,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:10:44,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:10:44,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:10:44,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:10:44,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:10:44,932 INFO L87 Difference]: Start difference. First operand 501 states and 678 transitions. Second operand 3 states. [2018-11-23 13:10:44,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:10:44,973 INFO L93 Difference]: Finished difference Result 903 states and 1274 transitions. [2018-11-23 13:10:44,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:10:44,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-23 13:10:44,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:10:44,978 INFO L225 Difference]: With dead ends: 903 [2018-11-23 13:10:44,979 INFO L226 Difference]: Without dead ends: 886 [2018-11-23 13:10:44,979 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:10:44,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2018-11-23 13:10:45,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 844. [2018-11-23 13:10:45,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 844 states. [2018-11-23 13:10:45,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1184 transitions. [2018-11-23 13:10:45,017 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1184 transitions. Word has length 54 [2018-11-23 13:10:45,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:10:45,017 INFO L480 AbstractCegarLoop]: Abstraction has 844 states and 1184 transitions. [2018-11-23 13:10:45,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:10:45,017 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1184 transitions. [2018-11-23 13:10:45,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 13:10:45,020 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:10:45,020 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:10:45,020 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:10:45,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:10:45,020 INFO L82 PathProgramCache]: Analyzing trace with hash 754224018, now seen corresponding path program 1 times [2018-11-23 13:10:45,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:10:45,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:10:45,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:45,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:10:45,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:10:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:10:45,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:10:45,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:10:45,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:10:45,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:10:45,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:10:45,099 INFO L87 Difference]: Start difference. First operand 844 states and 1184 transitions. Second operand 3 states. [2018-11-23 13:10:45,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:10:45,226 INFO L93 Difference]: Finished difference Result 2381 states and 3333 transitions. [2018-11-23 13:10:45,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:10:45,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2018-11-23 13:10:45,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:10:45,234 INFO L225 Difference]: With dead ends: 2381 [2018-11-23 13:10:45,234 INFO L226 Difference]: Without dead ends: 1558 [2018-11-23 13:10:45,237 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:10:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2018-11-23 13:10:45,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 1541. [2018-11-23 13:10:45,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1541 states. [2018-11-23 13:10:45,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2151 transitions. [2018-11-23 13:10:45,306 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2151 transitions. Word has length 69 [2018-11-23 13:10:45,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:10:45,307 INFO L480 AbstractCegarLoop]: Abstraction has 1541 states and 2151 transitions. [2018-11-23 13:10:45,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:10:45,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2151 transitions. [2018-11-23 13:10:45,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 13:10:45,311 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:10:45,311 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:10:45,312 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:10:45,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:10:45,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1785109953, now seen corresponding path program 1 times [2018-11-23 13:10:45,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:10:45,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:10:45,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:45,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:10:45,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:10:45,391 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:10:45,391 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:10:45,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:10:45,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:10:45,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:10:45,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:10:45,392 INFO L87 Difference]: Start difference. First operand 1541 states and 2151 transitions. Second operand 3 states. [2018-11-23 13:10:45,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:10:45,638 INFO L93 Difference]: Finished difference Result 3842 states and 5380 transitions. [2018-11-23 13:10:45,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:10:45,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2018-11-23 13:10:45,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:10:45,649 INFO L225 Difference]: With dead ends: 3842 [2018-11-23 13:10:45,649 INFO L226 Difference]: Without dead ends: 2322 [2018-11-23 13:10:45,653 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:10:45,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2322 states. [2018-11-23 13:10:45,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2322 to 2303. [2018-11-23 13:10:45,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2303 states. [2018-11-23 13:10:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 3203 transitions. [2018-11-23 13:10:45,761 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 3203 transitions. Word has length 75 [2018-11-23 13:10:45,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:10:45,762 INFO L480 AbstractCegarLoop]: Abstraction has 2303 states and 3203 transitions. [2018-11-23 13:10:45,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:10:45,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 3203 transitions. [2018-11-23 13:10:45,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 13:10:45,766 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:10:45,766 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:10:45,766 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:10:45,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:10:45,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1764587993, now seen corresponding path program 1 times [2018-11-23 13:10:45,766 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:10:45,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:10:45,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:45,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:10:45,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:10:45,847 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:10:45,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:10:45,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:10:45,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:10:45,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:10:45,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:10:45,848 INFO L87 Difference]: Start difference. First operand 2303 states and 3203 transitions. Second operand 3 states. [2018-11-23 13:10:46,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:10:46,010 INFO L93 Difference]: Finished difference Result 6457 states and 8962 transitions. [2018-11-23 13:10:46,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:10:46,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2018-11-23 13:10:46,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:10:46,024 INFO L225 Difference]: With dead ends: 6457 [2018-11-23 13:10:46,024 INFO L226 Difference]: Without dead ends: 4175 [2018-11-23 13:10:46,029 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:10:46,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4175 states. [2018-11-23 13:10:46,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4175 to 4158. [2018-11-23 13:10:46,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4158 states. [2018-11-23 13:10:46,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4158 states to 4158 states and 5753 transitions. [2018-11-23 13:10:46,214 INFO L78 Accepts]: Start accepts. Automaton has 4158 states and 5753 transitions. Word has length 79 [2018-11-23 13:10:46,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:10:46,215 INFO L480 AbstractCegarLoop]: Abstraction has 4158 states and 5753 transitions. [2018-11-23 13:10:46,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:10:46,215 INFO L276 IsEmpty]: Start isEmpty. Operand 4158 states and 5753 transitions. [2018-11-23 13:10:46,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 13:10:46,219 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:10:46,219 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:10:46,219 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:10:46,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:10:46,220 INFO L82 PathProgramCache]: Analyzing trace with hash 279899478, now seen corresponding path program 1 times [2018-11-23 13:10:46,220 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:10:46,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:10:46,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:46,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:10:46,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:10:46,289 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:10:46,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:10:46,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:10:46,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:10:46,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:10:46,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:10:46,290 INFO L87 Difference]: Start difference. First operand 4158 states and 5753 transitions. Second operand 3 states. [2018-11-23 13:10:46,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:10:46,514 INFO L93 Difference]: Finished difference Result 10401 states and 14441 transitions. [2018-11-23 13:10:46,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:10:46,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2018-11-23 13:10:46,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:10:46,533 INFO L225 Difference]: With dead ends: 10401 [2018-11-23 13:10:46,533 INFO L226 Difference]: Without dead ends: 6264 [2018-11-23 13:10:46,541 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:10:46,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6264 states. [2018-11-23 13:10:46,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6264 to 6241. [2018-11-23 13:10:46,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6241 states. [2018-11-23 13:10:46,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 8598 transitions. [2018-11-23 13:10:46,713 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 8598 transitions. Word has length 85 [2018-11-23 13:10:46,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:10:46,714 INFO L480 AbstractCegarLoop]: Abstraction has 6241 states and 8598 transitions. [2018-11-23 13:10:46,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:10:46,714 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 8598 transitions. [2018-11-23 13:10:46,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 13:10:46,718 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:10:46,718 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:10:46,718 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:10:46,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:10:46,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1600713343, now seen corresponding path program 1 times [2018-11-23 13:10:46,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:10:46,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:10:46,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:46,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:10:46,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:10:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 13:10:46,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:10:46,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 13:10:46,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:10:46,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:10:46,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:10:46,788 INFO L87 Difference]: Start difference. First operand 6241 states and 8598 transitions. Second operand 5 states. [2018-11-23 13:10:47,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:10:47,011 INFO L93 Difference]: Finished difference Result 12551 states and 17280 transitions. [2018-11-23 13:10:47,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 13:10:47,012 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2018-11-23 13:10:47,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:10:47,030 INFO L225 Difference]: With dead ends: 12551 [2018-11-23 13:10:47,030 INFO L226 Difference]: Without dead ends: 6187 [2018-11-23 13:10:47,040 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:10:47,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6187 states. [2018-11-23 13:10:47,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6187 to 6187. [2018-11-23 13:10:47,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6187 states. [2018-11-23 13:10:47,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6187 states to 6187 states and 8472 transitions. [2018-11-23 13:10:47,220 INFO L78 Accepts]: Start accepts. Automaton has 6187 states and 8472 transitions. Word has length 84 [2018-11-23 13:10:47,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:10:47,221 INFO L480 AbstractCegarLoop]: Abstraction has 6187 states and 8472 transitions. [2018-11-23 13:10:47,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:10:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 6187 states and 8472 transitions. [2018-11-23 13:10:47,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 13:10:47,225 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:10:47,225 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:10:47,225 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:10:47,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:10:47,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1105302325, now seen corresponding path program 1 times [2018-11-23 13:10:47,226 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:10:47,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:10:47,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:47,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:10:47,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:10:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 13:10:47,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:10:47,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:10:47,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:10:47,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:10:47,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:10:47,382 INFO L87 Difference]: Start difference. First operand 6187 states and 8472 transitions. Second operand 6 states. [2018-11-23 13:10:47,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:10:47,698 INFO L93 Difference]: Finished difference Result 12497 states and 17109 transitions. [2018-11-23 13:10:47,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:10:47,698 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-11-23 13:10:47,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:10:47,724 INFO L225 Difference]: With dead ends: 12497 [2018-11-23 13:10:47,724 INFO L226 Difference]: Without dead ends: 6169 [2018-11-23 13:10:47,738 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:10:47,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6169 states. [2018-11-23 13:10:47,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6169 to 6169. [2018-11-23 13:10:47,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6169 states. [2018-11-23 13:10:47,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6169 states to 6169 states and 8418 transitions. [2018-11-23 13:10:47,978 INFO L78 Accepts]: Start accepts. Automaton has 6169 states and 8418 transitions. Word has length 139 [2018-11-23 13:10:47,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:10:47,979 INFO L480 AbstractCegarLoop]: Abstraction has 6169 states and 8418 transitions. [2018-11-23 13:10:47,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:10:47,979 INFO L276 IsEmpty]: Start isEmpty. Operand 6169 states and 8418 transitions. [2018-11-23 13:10:47,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 13:10:47,984 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:10:47,984 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:10:47,985 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:10:47,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:10:47,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1482530738, now seen corresponding path program 1 times [2018-11-23 13:10:47,985 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:10:47,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:10:47,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:47,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:10:47,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:10:48,119 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 13:10:48,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:10:48,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:10:48,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:10:48,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:10:48,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:10:48,122 INFO L87 Difference]: Start difference. First operand 6169 states and 8418 transitions. Second operand 4 states. [2018-11-23 13:10:48,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:10:48,485 INFO L93 Difference]: Finished difference Result 12299 states and 16803 transitions. [2018-11-23 13:10:48,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:10:48,486 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2018-11-23 13:10:48,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:10:48,504 INFO L225 Difference]: With dead ends: 12299 [2018-11-23 13:10:48,504 INFO L226 Difference]: Without dead ends: 6151 [2018-11-23 13:10:48,514 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:10:48,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6151 states. [2018-11-23 13:10:48,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6151 to 6151. [2018-11-23 13:10:48,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6151 states. [2018-11-23 13:10:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6151 states to 6151 states and 8364 transitions. [2018-11-23 13:10:48,716 INFO L78 Accepts]: Start accepts. Automaton has 6151 states and 8364 transitions. Word has length 140 [2018-11-23 13:10:48,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:10:48,717 INFO L480 AbstractCegarLoop]: Abstraction has 6151 states and 8364 transitions. [2018-11-23 13:10:48,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:10:48,717 INFO L276 IsEmpty]: Start isEmpty. Operand 6151 states and 8364 transitions. [2018-11-23 13:10:48,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 13:10:48,722 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:10:48,722 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:10:48,722 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:10:48,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:10:48,722 INFO L82 PathProgramCache]: Analyzing trace with hash 933558653, now seen corresponding path program 1 times [2018-11-23 13:10:48,722 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:10:48,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:10:48,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:48,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:10:48,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:10:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:10:48,869 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 13:10:48,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:10:48,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 13:10:48,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:10:48,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:10:48,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:10:48,870 INFO L87 Difference]: Start difference. First operand 6151 states and 8364 transitions. Second operand 5 states. [2018-11-23 13:10:48,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:10:48,997 INFO L93 Difference]: Finished difference Result 6340 states and 8603 transitions. [2018-11-23 13:10:48,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 13:10:48,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-11-23 13:10:48,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:10:48,998 INFO L225 Difference]: With dead ends: 6340 [2018-11-23 13:10:48,999 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:10:49,014 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:10:49,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:10:49,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:10:49,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:10:49,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:10:49,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2018-11-23 13:10:49,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:10:49,015 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:10:49,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:10:49,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:10:49,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:10:49,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:10:51,381 INFO L451 ceAbstractionStarter]: At program point ldv_spin_unlock_5ENTRY(lines 1918 1926) the Hoare annotation is: true [2018-11-23 13:10:51,381 INFO L448 ceAbstractionStarter]: For program point ldv_spin_unlock_5EXIT(lines 1918 1926) no Hoare annotation was computed. [2018-11-23 13:10:51,382 INFO L448 ceAbstractionStarter]: For program point ldv_spin_unlock_5FINAL(lines 1918 1926) no Hoare annotation was computed. [2018-11-23 13:10:51,382 INFO L451 ceAbstractionStarter]: At program point ldv_spin_lock_1ENTRY(lines 1908 1916) the Hoare annotation is: true [2018-11-23 13:10:51,382 INFO L448 ceAbstractionStarter]: For program point ldv_spin_lock_1FINAL(lines 1908 1916) no Hoare annotation was computed. [2018-11-23 13:10:51,382 INFO L448 ceAbstractionStarter]: For program point ldv_spin_lock_1EXIT(lines 1908 1916) no Hoare annotation was computed. [2018-11-23 13:10:51,382 INFO L448 ceAbstractionStarter]: For program point atomic_incEXIT(lines 1896 1904) no Hoare annotation was computed. [2018-11-23 13:10:51,382 INFO L451 ceAbstractionStarter]: At program point atomic_incENTRY(lines 1896 1904) the Hoare annotation is: true [2018-11-23 13:10:51,382 INFO L448 ceAbstractionStarter]: For program point atomic_incFINAL(lines 1896 1904) no Hoare annotation was computed. [2018-11-23 13:10:51,382 INFO L448 ceAbstractionStarter]: For program point torture_lock_busted_write_delayEXIT(lines 2115 2144) no Hoare annotation was computed. [2018-11-23 13:10:51,382 INFO L451 ceAbstractionStarter]: At program point torture_lock_busted_write_delayENTRY(lines 2115 2144) the Hoare annotation is: true [2018-11-23 13:10:51,382 INFO L451 ceAbstractionStarter]: At program point L2134(lines 2125 2139) the Hoare annotation is: true [2018-11-23 13:10:51,382 INFO L448 ceAbstractionStarter]: For program point L2133(lines 2133 2137) no Hoare annotation was computed. [2018-11-23 13:10:51,382 INFO L451 ceAbstractionStarter]: At program point L2130(lines 2125 2139) the Hoare annotation is: true [2018-11-23 13:10:51,383 INFO L448 ceAbstractionStarter]: For program point L2125(lines 2125 2141) no Hoare annotation was computed. [2018-11-23 13:10:51,383 INFO L448 ceAbstractionStarter]: For program point L2125-2(lines 2115 2144) no Hoare annotation was computed. [2018-11-23 13:10:51,383 INFO L451 ceAbstractionStarter]: At program point __kmallocENTRY(lines 1940 1943) the Hoare annotation is: true [2018-11-23 13:10:51,383 INFO L448 ceAbstractionStarter]: For program point __kmallocFINAL(lines 1940 1943) no Hoare annotation was computed. [2018-11-23 13:10:51,383 INFO L448 ceAbstractionStarter]: For program point __kmallocEXIT(lines 1940 1943) no Hoare annotation was computed. [2018-11-23 13:10:51,383 INFO L451 ceAbstractionStarter]: At program point L1942(line 1942) the Hoare annotation is: true [2018-11-23 13:10:51,383 INFO L448 ceAbstractionStarter]: For program point L1942-1(line 1942) no Hoare annotation was computed. [2018-11-23 13:10:51,383 INFO L448 ceAbstractionStarter]: For program point L2909(line 2909) no Hoare annotation was computed. [2018-11-23 13:10:51,383 INFO L448 ceAbstractionStarter]: For program point L2843(line 2843) no Hoare annotation was computed. [2018-11-23 13:10:51,383 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 2693 2972) no Hoare annotation was computed. [2018-11-23 13:10:51,383 INFO L448 ceAbstractionStarter]: For program point L2794(lines 2794 2800) no Hoare annotation was computed. [2018-11-23 13:10:51,383 INFO L448 ceAbstractionStarter]: For program point L2728(lines 2728 2733) no Hoare annotation was computed. [2018-11-23 13:10:51,383 INFO L448 ceAbstractionStarter]: For program point L2910(lines 2910 2915) no Hoare annotation was computed. [2018-11-23 13:10:51,383 INFO L448 ceAbstractionStarter]: For program point L2844(lines 2844 2849) no Hoare annotation was computed. [2018-11-23 13:10:51,384 INFO L448 ceAbstractionStarter]: For program point L2910-2(lines 2900 2957) no Hoare annotation was computed. [2018-11-23 13:10:51,384 INFO L448 ceAbstractionStarter]: For program point L2844-2(lines 2834 2891) no Hoare annotation was computed. [2018-11-23 13:10:51,384 INFO L444 ceAbstractionStarter]: At program point L2712(line 2712) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (and (= ~lwsa~0.offset 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,384 INFO L448 ceAbstractionStarter]: For program point L2712-1(line 2712) no Hoare annotation was computed. [2018-11-23 13:10:51,384 INFO L448 ceAbstractionStarter]: For program point L2795-1(line 2795) no Hoare annotation was computed. [2018-11-23 13:10:51,384 INFO L444 ceAbstractionStarter]: At program point L2795(line 2795) the Hoare annotation is: (or (= 0 ~ldv_spin~0) (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,384 INFO L448 ceAbstractionStarter]: For program point L2729-1(line 2729) no Hoare annotation was computed. [2018-11-23 13:10:51,384 INFO L444 ceAbstractionStarter]: At program point L2729(line 2729) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,384 INFO L448 ceAbstractionStarter]: For program point L2911-1(line 2911) no Hoare annotation was computed. [2018-11-23 13:10:51,385 INFO L444 ceAbstractionStarter]: At program point L2911(line 2911) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,385 INFO L448 ceAbstractionStarter]: For program point L2845-1(line 2845) no Hoare annotation was computed. [2018-11-23 13:10:51,385 INFO L444 ceAbstractionStarter]: At program point L2845(line 2845) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (and (= ~lwsa~0.offset 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0) (= 1 ~ldv_state_variable_0~0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,385 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 2693 2972) no Hoare annotation was computed. [2018-11-23 13:10:51,385 INFO L448 ceAbstractionStarter]: For program point L2763(line 2763) no Hoare annotation was computed. [2018-11-23 13:10:51,385 INFO L448 ceAbstractionStarter]: For program point L2764(lines 2764 2770) no Hoare annotation was computed. [2018-11-23 13:10:51,385 INFO L448 ceAbstractionStarter]: For program point L2946(line 2946) no Hoare annotation was computed. [2018-11-23 13:10:51,385 INFO L448 ceAbstractionStarter]: For program point L2880(line 2880) no Hoare annotation was computed. [2018-11-23 13:10:51,385 INFO L448 ceAbstractionStarter]: For program point L2781(line 2781) no Hoare annotation was computed. [2018-11-23 13:10:51,385 INFO L448 ceAbstractionStarter]: For program point L2963(line 2963) no Hoare annotation was computed. [2018-11-23 13:10:51,385 INFO L448 ceAbstractionStarter]: For program point L2897(line 2897) no Hoare annotation was computed. [2018-11-23 13:10:51,386 INFO L448 ceAbstractionStarter]: For program point L2831(line 2831) no Hoare annotation was computed. [2018-11-23 13:10:51,386 INFO L448 ceAbstractionStarter]: For program point L2947(lines 2947 2953) no Hoare annotation was computed. [2018-11-23 13:10:51,386 INFO L448 ceAbstractionStarter]: For program point L2881(lines 2881 2887) no Hoare annotation was computed. [2018-11-23 13:10:51,386 INFO L451 ceAbstractionStarter]: At program point L2782(line 2782) the Hoare annotation is: true [2018-11-23 13:10:51,386 INFO L451 ceAbstractionStarter]: At program point L2815(lines 2707 2971) the Hoare annotation is: true [2018-11-23 13:10:51,386 INFO L448 ceAbstractionStarter]: For program point L2749(line 2749) no Hoare annotation was computed. [2018-11-23 13:10:51,386 INFO L451 ceAbstractionStarter]: At program point L2964(line 2964) the Hoare annotation is: true [2018-11-23 13:10:51,386 INFO L448 ceAbstractionStarter]: For program point L2898(lines 2898 2961) no Hoare annotation was computed. [2018-11-23 13:10:51,393 INFO L448 ceAbstractionStarter]: For program point L2931-1(line 2931) no Hoare annotation was computed. [2018-11-23 13:10:51,393 INFO L444 ceAbstractionStarter]: At program point L2931(line 2931) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,393 INFO L448 ceAbstractionStarter]: For program point L2832(lines 2832 2895) no Hoare annotation was computed. [2018-11-23 13:10:51,393 INFO L448 ceAbstractionStarter]: For program point L2865-1(line 2865) no Hoare annotation was computed. [2018-11-23 13:10:51,393 INFO L444 ceAbstractionStarter]: At program point L2865(line 2865) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (and (= ~lwsa~0.offset 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0) (= 1 ~ldv_state_variable_0~0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,393 INFO L448 ceAbstractionStarter]: For program point L2750(lines 2750 2755) no Hoare annotation was computed. [2018-11-23 13:10:51,393 INFO L448 ceAbstractionStarter]: For program point L2750-2(lines 2726 2783) no Hoare annotation was computed. [2018-11-23 13:10:51,393 INFO L448 ceAbstractionStarter]: For program point L2751-1(line 2751) no Hoare annotation was computed. [2018-11-23 13:10:51,394 INFO L444 ceAbstractionStarter]: At program point L2751(line 2751) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,394 INFO L444 ceAbstractionStarter]: At program point L2966(lines 2707 2971) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (and (= ~lwsa~0.offset 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0) (= 1 ~ldv_state_variable_0~0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,394 INFO L448 ceAbstractionStarter]: For program point L2900(lines 2900 2957) no Hoare annotation was computed. [2018-11-23 13:10:51,394 INFO L448 ceAbstractionStarter]: For program point L2834(lines 2834 2891) no Hoare annotation was computed. [2018-11-23 13:10:51,394 INFO L448 ceAbstractionStarter]: For program point L2735(line 2735) no Hoare annotation was computed. [2018-11-23 13:10:51,394 INFO L448 ceAbstractionStarter]: For program point L2917-1(line 2917) no Hoare annotation was computed. [2018-11-23 13:10:51,394 INFO L444 ceAbstractionStarter]: At program point L2917(line 2917) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,394 INFO L448 ceAbstractionStarter]: For program point L2851-1(line 2851) no Hoare annotation was computed. [2018-11-23 13:10:51,394 INFO L444 ceAbstractionStarter]: At program point L2851(line 2851) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (and (= ~lwsa~0.offset 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0) (= 1 ~ldv_state_variable_0~0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,394 INFO L448 ceAbstractionStarter]: For program point L2901(line 2901) no Hoare annotation was computed. [2018-11-23 13:10:51,394 INFO L448 ceAbstractionStarter]: For program point L2802(line 2802) no Hoare annotation was computed. [2018-11-23 13:10:51,395 INFO L448 ceAbstractionStarter]: For program point L2835(line 2835) no Hoare annotation was computed. [2018-11-23 13:10:51,395 INFO L448 ceAbstractionStarter]: For program point L2736(lines 2736 2741) no Hoare annotation was computed. [2018-11-23 13:10:51,395 INFO L448 ceAbstractionStarter]: For program point L2736-2(lines 2726 2783) no Hoare annotation was computed. [2018-11-23 13:10:51,395 INFO L448 ceAbstractionStarter]: For program point L2902(lines 2902 2907) no Hoare annotation was computed. [2018-11-23 13:10:51,395 INFO L448 ceAbstractionStarter]: For program point L2836(lines 2836 2841) no Hoare annotation was computed. [2018-11-23 13:10:51,395 INFO L448 ceAbstractionStarter]: For program point L2803(lines 2803 2821) no Hoare annotation was computed. [2018-11-23 13:10:51,395 INFO L448 ceAbstractionStarter]: For program point L2737-1(line 2737) no Hoare annotation was computed. [2018-11-23 13:10:51,395 INFO L444 ceAbstractionStarter]: At program point L2737(line 2737) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,395 INFO L448 ceAbstractionStarter]: For program point L2903-1(line 2903) no Hoare annotation was computed. [2018-11-23 13:10:51,395 INFO L444 ceAbstractionStarter]: At program point L2903(line 2903) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,395 INFO L444 ceAbstractionStarter]: At program point L2804(line 2804) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (and (= ~lwsa~0.offset 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0) (= 1 ~ldv_state_variable_0~0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,395 INFO L448 ceAbstractionStarter]: For program point L2837-1(line 2837) no Hoare annotation was computed. [2018-11-23 13:10:51,396 INFO L444 ceAbstractionStarter]: At program point L2837(line 2837) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (and (= ~lwsa~0.offset 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0) (= 1 ~ldv_state_variable_0~0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,396 INFO L448 ceAbstractionStarter]: For program point L2804-1(line 2804) no Hoare annotation was computed. [2018-11-23 13:10:51,396 INFO L448 ceAbstractionStarter]: For program point L2722(lines 2722 2965) no Hoare annotation was computed. [2018-11-23 13:10:51,396 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 2693 2972) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (and (= ~lwsa~0.offset 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,396 INFO L448 ceAbstractionStarter]: For program point L2937(line 2937) no Hoare annotation was computed. [2018-11-23 13:10:51,396 INFO L448 ceAbstractionStarter]: For program point L2871(line 2871) no Hoare annotation was computed. [2018-11-23 13:10:51,396 INFO L448 ceAbstractionStarter]: For program point L2772(line 2772) no Hoare annotation was computed. [2018-11-23 13:10:51,396 INFO L448 ceAbstractionStarter]: For program point L2805(lines 2805 2812) no Hoare annotation was computed. [2018-11-23 13:10:51,396 INFO L448 ceAbstractionStarter]: For program point L2805-2(lines 2803 2819) no Hoare annotation was computed. [2018-11-23 13:10:51,396 INFO L448 ceAbstractionStarter]: For program point L2789(line 2789) no Hoare annotation was computed. [2018-11-23 13:10:51,396 INFO L448 ceAbstractionStarter]: For program point L2723(line 2723) no Hoare annotation was computed. [2018-11-23 13:10:51,396 INFO L448 ceAbstractionStarter]: For program point L2938(lines 2938 2944) no Hoare annotation was computed. [2018-11-23 13:10:51,396 INFO L448 ceAbstractionStarter]: For program point L2872(lines 2872 2878) no Hoare annotation was computed. [2018-11-23 13:10:51,397 INFO L448 ceAbstractionStarter]: For program point L2773(lines 2773 2779) no Hoare annotation was computed. [2018-11-23 13:10:51,397 INFO L448 ceAbstractionStarter]: For program point L2955(line 2955) no Hoare annotation was computed. [2018-11-23 13:10:51,397 INFO L448 ceAbstractionStarter]: For program point L2889(line 2889) no Hoare annotation was computed. [2018-11-23 13:10:51,397 INFO L448 ceAbstractionStarter]: For program point L2790(lines 2790 2829) no Hoare annotation was computed. [2018-11-23 13:10:51,397 INFO L448 ceAbstractionStarter]: For program point L2823(line 2823) no Hoare annotation was computed. [2018-11-23 13:10:51,397 INFO L448 ceAbstractionStarter]: For program point L2724(lines 2724 2787) no Hoare annotation was computed. [2018-11-23 13:10:51,397 INFO L448 ceAbstractionStarter]: For program point L2757-1(line 2757) no Hoare annotation was computed. [2018-11-23 13:10:51,397 INFO L444 ceAbstractionStarter]: At program point L2757(line 2757) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,397 INFO L444 ceAbstractionStarter]: At program point L2708(line 2708) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (and (= ~lwsa~0.offset 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,397 INFO L448 ceAbstractionStarter]: For program point L2708-1(line 2708) no Hoare annotation was computed. [2018-11-23 13:10:51,397 INFO L451 ceAbstractionStarter]: At program point L2956(line 2956) the Hoare annotation is: true [2018-11-23 13:10:51,397 INFO L451 ceAbstractionStarter]: At program point L2890(line 2890) the Hoare annotation is: true [2018-11-23 13:10:51,397 INFO L448 ceAbstractionStarter]: For program point L2923(line 2923) no Hoare annotation was computed. [2018-11-23 13:10:51,398 INFO L451 ceAbstractionStarter]: At program point L2824(line 2824) the Hoare annotation is: true [2018-11-23 13:10:51,398 INFO L448 ceAbstractionStarter]: For program point L2857(line 2857) no Hoare annotation was computed. [2018-11-23 13:10:51,398 INFO L448 ceAbstractionStarter]: For program point L2924(lines 2924 2929) no Hoare annotation was computed. [2018-11-23 13:10:51,398 INFO L448 ceAbstractionStarter]: For program point L2858(lines 2858 2863) no Hoare annotation was computed. [2018-11-23 13:10:51,398 INFO L448 ceAbstractionStarter]: For program point L2924-2(lines 2900 2957) no Hoare annotation was computed. [2018-11-23 13:10:51,398 INFO L448 ceAbstractionStarter]: For program point L2792(lines 2792 2825) no Hoare annotation was computed. [2018-11-23 13:10:51,398 INFO L448 ceAbstractionStarter]: For program point L2858-2(lines 2834 2891) no Hoare annotation was computed. [2018-11-23 13:10:51,398 INFO L448 ceAbstractionStarter]: For program point L2726(lines 2726 2783) no Hoare annotation was computed. [2018-11-23 13:10:51,398 INFO L444 ceAbstractionStarter]: At program point L2710(line 2710) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (and (= ~lwsa~0.offset 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,398 INFO L448 ceAbstractionStarter]: For program point L2743-1(line 2743) no Hoare annotation was computed. [2018-11-23 13:10:51,398 INFO L444 ceAbstractionStarter]: At program point L2743(line 2743) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,398 INFO L448 ceAbstractionStarter]: For program point L2710-1(line 2710) no Hoare annotation was computed. [2018-11-23 13:10:51,398 INFO L448 ceAbstractionStarter]: For program point L2925-1(line 2925) no Hoare annotation was computed. [2018-11-23 13:10:51,399 INFO L444 ceAbstractionStarter]: At program point L2925(line 2925) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,399 INFO L448 ceAbstractionStarter]: For program point L2859-1(line 2859) no Hoare annotation was computed. [2018-11-23 13:10:51,399 INFO L444 ceAbstractionStarter]: At program point L2859(line 2859) the Hoare annotation is: (or (not (= 0 |old(~ldv_state_variable_2~0)|)) (not (= 0 |old(~lwsa~0.offset)|)) (and (= ~lwsa~0.offset 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0) (= 1 ~ldv_state_variable_0~0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 0 ~onoff_interval~0)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-23 13:10:51,399 INFO L448 ceAbstractionStarter]: For program point L2793(line 2793) no Hoare annotation was computed. [2018-11-23 13:10:51,399 INFO L448 ceAbstractionStarter]: For program point L2727(line 2727) no Hoare annotation was computed. [2018-11-23 13:10:51,399 INFO L448 ceAbstractionStarter]: For program point torture_lock_spin_write_unlock_irqEXIT(lines 2226 2234) no Hoare annotation was computed. [2018-11-23 13:10:51,399 INFO L448 ceAbstractionStarter]: For program point L2231-1(line 2231) no Hoare annotation was computed. [2018-11-23 13:10:51,399 INFO L451 ceAbstractionStarter]: At program point L2231(line 2231) the Hoare annotation is: true [2018-11-23 13:10:51,399 INFO L448 ceAbstractionStarter]: For program point torture_lock_spin_write_unlock_irqFINAL(lines 2226 2234) no Hoare annotation was computed. [2018-11-23 13:10:51,399 INFO L451 ceAbstractionStarter]: At program point torture_lock_spin_write_unlock_irqENTRY(lines 2226 2234) the Hoare annotation is: true [2018-11-23 13:10:51,399 INFO L448 ceAbstractionStarter]: For program point L2337(lines 2337 2341) no Hoare annotation was computed. [2018-11-23 13:10:51,399 INFO L448 ceAbstractionStarter]: For program point L2366(lines 2366 2370) no Hoare annotation was computed. [2018-11-23 13:10:51,400 INFO L448 ceAbstractionStarter]: For program point L2337-2(lines 2337 2341) no Hoare annotation was computed. [2018-11-23 13:10:51,400 INFO L448 ceAbstractionStarter]: For program point L2366-1(lines 2319 2373) no Hoare annotation was computed. [2018-11-23 13:10:51,400 INFO L448 ceAbstractionStarter]: For program point L2364-1(line 2364) no Hoare annotation was computed. [2018-11-23 13:10:51,400 INFO L451 ceAbstractionStarter]: At program point L2356(lines 2329 2372) the Hoare annotation is: true [2018-11-23 13:10:51,400 INFO L451 ceAbstractionStarter]: At program point L2354(lines 2329 2372) the Hoare annotation is: true [2018-11-23 13:10:51,400 INFO L448 ceAbstractionStarter]: For program point L2348(lines 2348 2352) no Hoare annotation was computed. [2018-11-23 13:10:51,400 INFO L448 ceAbstractionStarter]: For program point L2348-2(lines 2348 2352) no Hoare annotation was computed. [2018-11-23 13:10:51,400 INFO L451 ceAbstractionStarter]: At program point L2367(line 2367) the Hoare annotation is: true [2018-11-23 13:10:51,400 INFO L448 ceAbstractionStarter]: For program point L2363(line 2363) no Hoare annotation was computed. [2018-11-23 13:10:51,400 INFO L448 ceAbstractionStarter]: For program point L2363-2(lines 2362 2364) no Hoare annotation was computed. [2018-11-23 13:10:51,400 INFO L448 ceAbstractionStarter]: For program point lock_torture_printkEXIT(lines 2319 2373) no Hoare annotation was computed. [2018-11-23 13:10:51,400 INFO L451 ceAbstractionStarter]: At program point lock_torture_printkENTRY(lines 2319 2373) the Hoare annotation is: true [2018-11-23 13:10:51,400 INFO L448 ceAbstractionStarter]: For program point L2343(lines 2343 2347) no Hoare annotation was computed. [2018-11-23 13:10:51,400 INFO L448 ceAbstractionStarter]: For program point L2343-2(lines 2343 2347) no Hoare annotation was computed. [2018-11-23 13:10:51,401 INFO L448 ceAbstractionStarter]: For program point ldv_errorFINAL(lines 2027 2035) no Hoare annotation was computed. [2018-11-23 13:10:51,401 INFO L451 ceAbstractionStarter]: At program point ldv_errorENTRY(lines 2027 2035) the Hoare annotation is: true [2018-11-23 13:10:51,401 INFO L448 ceAbstractionStarter]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2033) no Hoare annotation was computed. [2018-11-23 13:10:51,401 INFO L448 ceAbstractionStarter]: For program point ldv_errorEXIT(lines 2027 2035) no Hoare annotation was computed. [2018-11-23 13:10:51,401 INFO L448 ceAbstractionStarter]: For program point torture_lock_busted_write_lockFINAL(lines 2107 2114) no Hoare annotation was computed. [2018-11-23 13:10:51,401 INFO L451 ceAbstractionStarter]: At program point torture_lock_busted_write_lockENTRY(lines 2107 2114) the Hoare annotation is: true [2018-11-23 13:10:51,401 INFO L448 ceAbstractionStarter]: For program point torture_lock_busted_write_lockEXIT(lines 2107 2114) no Hoare annotation was computed. [2018-11-23 13:10:51,401 INFO L448 ceAbstractionStarter]: For program point kzallocEXIT(lines 3023 3031) no Hoare annotation was computed. [2018-11-23 13:10:51,401 INFO L451 ceAbstractionStarter]: At program point kzallocENTRY(lines 3023 3031) the Hoare annotation is: true [2018-11-23 13:10:51,401 INFO L451 ceAbstractionStarter]: At program point L3028(line 3028) the Hoare annotation is: true [2018-11-23 13:10:51,401 INFO L448 ceAbstractionStarter]: For program point kzallocFINAL(lines 3023 3031) no Hoare annotation was computed. [2018-11-23 13:10:51,401 INFO L448 ceAbstractionStarter]: For program point L3028-1(line 3028) no Hoare annotation was computed. [2018-11-23 13:10:51,401 INFO L448 ceAbstractionStarter]: For program point bitmap_weightFINAL(lines 1868 1876) no Hoare annotation was computed. [2018-11-23 13:10:51,402 INFO L448 ceAbstractionStarter]: For program point bitmap_weightEXIT(lines 1868 1876) no Hoare annotation was computed. [2018-11-23 13:10:51,402 INFO L451 ceAbstractionStarter]: At program point bitmap_weightENTRY(lines 1868 1876) the Hoare annotation is: true [2018-11-23 13:10:51,402 INFO L451 ceAbstractionStarter]: At program point kmallocENTRY(lines 3003 3012) the Hoare annotation is: true [2018-11-23 13:10:51,402 INFO L451 ceAbstractionStarter]: At program point L3008(line 3008) the Hoare annotation is: true [2018-11-23 13:10:51,402 INFO L448 ceAbstractionStarter]: For program point L3009(line 3009) no Hoare annotation was computed. [2018-11-23 13:10:51,402 INFO L451 ceAbstractionStarter]: At program point L3008-1(line 3008) the Hoare annotation is: true [2018-11-23 13:10:51,402 INFO L448 ceAbstractionStarter]: For program point kmallocFINAL(lines 3003 3012) no Hoare annotation was computed. [2018-11-23 13:10:51,402 INFO L448 ceAbstractionStarter]: For program point kmallocEXIT(lines 3003 3012) no Hoare annotation was computed. [2018-11-23 13:10:51,404 INFO L448 ceAbstractionStarter]: For program point ldv_stopFINAL(lines 2036 2044) no Hoare annotation was computed. [2018-11-23 13:10:51,404 INFO L448 ceAbstractionStarter]: For program point ldv_stopEXIT(lines 2036 2044) no Hoare annotation was computed. [2018-11-23 13:10:51,405 INFO L451 ceAbstractionStarter]: At program point ldv_stopENTRY(lines 2036 2044) the Hoare annotation is: true [2018-11-23 13:10:51,405 INFO L448 ceAbstractionStarter]: For program point L2384(lines 2384 2389) no Hoare annotation was computed. [2018-11-23 13:10:51,405 INFO L448 ceAbstractionStarter]: For program point lock_torture_stats_printEXIT(lines 2374 2395) no Hoare annotation was computed. [2018-11-23 13:10:51,405 INFO L451 ceAbstractionStarter]: At program point L2382(line 2382) the Hoare annotation is: true [2018-11-23 13:10:51,405 INFO L451 ceAbstractionStarter]: At program point lock_torture_stats_printENTRY(lines 2374 2395) the Hoare annotation is: true [2018-11-23 13:10:51,405 INFO L448 ceAbstractionStarter]: For program point L2382-1(line 2382) no Hoare annotation was computed. [2018-11-23 13:10:51,405 INFO L448 ceAbstractionStarter]: For program point lock_torture_stats_printFINAL(lines 2374 2395) no Hoare annotation was computed. [2018-11-23 13:10:51,405 INFO L451 ceAbstractionStarter]: At program point L2390(line 2390) the Hoare annotation is: true [2018-11-23 13:10:51,405 INFO L448 ceAbstractionStarter]: For program point L2390-1(line 2390) no Hoare annotation was computed. [2018-11-23 13:10:51,405 INFO L451 ceAbstractionStarter]: At program point torture_lock_busted_write_unlockFINAL(lines 2145 2152) the Hoare annotation is: true [2018-11-23 13:10:51,405 INFO L448 ceAbstractionStarter]: For program point torture_lock_busted_write_unlockEXIT(lines 2145 2152) no Hoare annotation was computed. [2018-11-23 13:10:51,405 INFO L448 ceAbstractionStarter]: For program point cpumask_weightEXIT(lines 1879 1887) no Hoare annotation was computed. [2018-11-23 13:10:51,405 INFO L451 ceAbstractionStarter]: At program point L1884(line 1884) the Hoare annotation is: true [2018-11-23 13:10:51,405 INFO L448 ceAbstractionStarter]: For program point L1884-1(line 1884) no Hoare annotation was computed. [2018-11-23 13:10:51,406 INFO L451 ceAbstractionStarter]: At program point cpumask_weightENTRY(lines 1879 1887) the Hoare annotation is: true [2018-11-23 13:10:51,406 INFO L448 ceAbstractionStarter]: For program point cpumask_weightFINAL(lines 1879 1887) no Hoare annotation was computed. [2018-11-23 13:10:51,406 INFO L451 ceAbstractionStarter]: At program point spin_lockENTRY(lines 2973 2982) the Hoare annotation is: true [2018-11-23 13:10:51,406 INFO L451 ceAbstractionStarter]: At program point L2978-1(line 2978) the Hoare annotation is: true [2018-11-23 13:10:51,406 INFO L448 ceAbstractionStarter]: For program point spin_lockFINAL(lines 2973 2982) no Hoare annotation was computed. [2018-11-23 13:10:51,406 INFO L448 ceAbstractionStarter]: For program point spin_lockEXIT(lines 2973 2982) no Hoare annotation was computed. [2018-11-23 13:10:51,406 INFO L451 ceAbstractionStarter]: At program point L2978(line 2978) the Hoare annotation is: true [2018-11-23 13:10:51,406 INFO L451 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:10:51,406 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:10:51,406 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:10:51,406 INFO L448 ceAbstractionStarter]: For program point lock_torture_print_module_parmsEXIT(lines 2426 2437) no Hoare annotation was computed. [2018-11-23 13:10:51,406 INFO L451 ceAbstractionStarter]: At program point lock_torture_print_module_parmsENTRY(lines 2426 2437) the Hoare annotation is: true [2018-11-23 13:10:51,406 INFO L448 ceAbstractionStarter]: For program point lock_torture_print_module_parmsFINAL(lines 2426 2437) no Hoare annotation was computed. [2018-11-23 13:10:51,406 INFO L451 ceAbstractionStarter]: At program point ldv_spin_unlock_irqrestore_8ENTRY(lines 1928 1936) the Hoare annotation is: true [2018-11-23 13:10:51,406 INFO L448 ceAbstractionStarter]: For program point ldv_spin_unlock_irqrestore_8EXIT(lines 1928 1936) no Hoare annotation was computed. [2018-11-23 13:10:51,407 INFO L448 ceAbstractionStarter]: For program point ldv_spin_unlock_irqrestore_8FINAL(lines 1928 1936) no Hoare annotation was computed. [2018-11-23 13:10:51,407 INFO L448 ceAbstractionStarter]: For program point atomic_readFINAL(lines 1888 1895) no Hoare annotation was computed. [2018-11-23 13:10:51,407 INFO L448 ceAbstractionStarter]: For program point atomic_readEXIT(lines 1888 1895) no Hoare annotation was computed. [2018-11-23 13:10:51,407 INFO L451 ceAbstractionStarter]: At program point atomic_readENTRY(lines 1888 1895) the Hoare annotation is: true [2018-11-23 13:10:51,407 INFO L448 ceAbstractionStarter]: For program point L2179-2(lines 2179 2195) no Hoare annotation was computed. [2018-11-23 13:10:51,407 INFO L448 ceAbstractionStarter]: For program point L2197(lines 2197 2201) no Hoare annotation was computed. [2018-11-23 13:10:51,407 INFO L448 ceAbstractionStarter]: For program point L2197-2(lines 2166 2204) no Hoare annotation was computed. [2018-11-23 13:10:51,407 INFO L448 ceAbstractionStarter]: For program point torture_spin_lock_write_delayEXIT(lines 2166 2204) no Hoare annotation was computed. [2018-11-23 13:10:51,407 INFO L451 ceAbstractionStarter]: At program point L2188(lines 2179 2193) the Hoare annotation is: true [2018-11-23 13:10:51,407 INFO L448 ceAbstractionStarter]: For program point L2187(lines 2187 2191) no Hoare annotation was computed. [2018-11-23 13:10:51,407 INFO L451 ceAbstractionStarter]: At program point L2184(lines 2179 2193) the Hoare annotation is: true [2018-11-23 13:10:51,407 INFO L451 ceAbstractionStarter]: At program point torture_spin_lock_write_delayENTRY(lines 2166 2204) the Hoare annotation is: true [2018-11-23 13:10:51,407 INFO L448 ceAbstractionStarter]: For program point L2179(lines 2179 2195) no Hoare annotation was computed. [2018-11-23 13:10:51,407 INFO L448 ceAbstractionStarter]: For program point L2447(lines 2447 2451) no Hoare annotation was computed. [2018-11-23 13:10:51,407 INFO L448 ceAbstractionStarter]: For program point L2476(lines 2476 2480) no Hoare annotation was computed. [2018-11-23 13:10:51,408 INFO L448 ceAbstractionStarter]: For program point L2472(lines 2472 2481) no Hoare annotation was computed. [2018-11-23 13:10:51,408 INFO L451 ceAbstractionStarter]: At program point L2470(line 2470) the Hoare annotation is: true [2018-11-23 13:10:51,408 INFO L448 ceAbstractionStarter]: For program point lock_torture_cleanupEXIT(lines 2438 2484) no Hoare annotation was computed. [2018-11-23 13:10:51,408 INFO L451 ceAbstractionStarter]: At program point lock_torture_cleanupENTRY(lines 2438 2484) the Hoare annotation is: true [2018-11-23 13:10:51,408 INFO L451 ceAbstractionStarter]: At program point L2470-1(line 2470) the Hoare annotation is: true [2018-11-23 13:10:51,408 INFO L451 ceAbstractionStarter]: At program point L2460(lines 2452 2466) the Hoare annotation is: true [2018-11-23 13:10:51,408 INFO L451 ceAbstractionStarter]: At program point L2458(lines 2452 2466) the Hoare annotation is: true [2018-11-23 13:10:51,408 INFO L448 ceAbstractionStarter]: For program point L2452(lines 2452 2468) no Hoare annotation was computed. [2018-11-23 13:10:51,408 INFO L448 ceAbstractionStarter]: For program point L2452-2(lines 2452 2468) no Hoare annotation was computed. [2018-11-23 13:10:51,408 INFO L448 ceAbstractionStarter]: For program point L2479-1(lines 2438 2484) no Hoare annotation was computed. [2018-11-23 13:10:51,408 INFO L451 ceAbstractionStarter]: At program point L2479(line 2479) the Hoare annotation is: true [2018-11-23 13:10:51,408 INFO L451 ceAbstractionStarter]: At program point L2477(line 2477) the Hoare annotation is: true [2018-11-23 13:10:51,408 INFO L451 ceAbstractionStarter]: At program point L2473(line 2473) the Hoare annotation is: true [2018-11-23 13:10:51,408 INFO L448 ceAbstractionStarter]: For program point L2471(line 2471) no Hoare annotation was computed. [2018-11-23 13:10:51,409 INFO L451 ceAbstractionStarter]: At program point L2988(line 2988) the Hoare annotation is: true [2018-11-23 13:10:51,409 INFO L451 ceAbstractionStarter]: At program point spin_unlockENTRY(lines 2983 2992) the Hoare annotation is: true [2018-11-23 13:10:51,409 INFO L448 ceAbstractionStarter]: For program point spin_unlockFINAL(lines 2983 2992) no Hoare annotation was computed. [2018-11-23 13:10:51,409 INFO L444 ceAbstractionStarter]: At program point L2988-1(line 2988) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 ~lwsa~0.offset)) (= 0 ~ldv_spin~0) (not (= ~lwsa~0.base 0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0)) (or (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)))) [2018-11-23 13:10:51,409 INFO L448 ceAbstractionStarter]: For program point spin_unlockEXIT(lines 2983 2992) no Hoare annotation was computed. [2018-11-23 13:10:51,409 INFO L451 ceAbstractionStarter]: At program point ldv_spin_unlockENTRY(lines 3084 3092) the Hoare annotation is: true [2018-11-23 13:10:51,409 INFO L448 ceAbstractionStarter]: For program point ldv_spin_unlockFINAL(lines 3084 3092) no Hoare annotation was computed. [2018-11-23 13:10:51,409 INFO L448 ceAbstractionStarter]: For program point ldv_spin_unlockEXIT(lines 3084 3092) no Hoare annotation was computed. [2018-11-23 13:10:51,409 INFO L448 ceAbstractionStarter]: For program point ldv_spin_lockEXIT(lines 3075 3083) no Hoare annotation was computed. [2018-11-23 13:10:51,409 INFO L451 ceAbstractionStarter]: At program point ldv_spin_lockENTRY(lines 3075 3083) the Hoare annotation is: true [2018-11-23 13:10:51,409 INFO L448 ceAbstractionStarter]: For program point ldv_spin_lockFINAL(lines 3075 3083) no Hoare annotation was computed. [2018-11-23 13:10:51,409 INFO L448 ceAbstractionStarter]: For program point L2221-1(line 2221) no Hoare annotation was computed. [2018-11-23 13:10:51,409 INFO L451 ceAbstractionStarter]: At program point L2221(line 2221) the Hoare annotation is: true [2018-11-23 13:10:51,409 INFO L448 ceAbstractionStarter]: For program point torture_spin_lock_write_lock_irqEXIT(lines 2216 2225) no Hoare annotation was computed. [2018-11-23 13:10:51,410 INFO L451 ceAbstractionStarter]: At program point torture_spin_lock_write_lock_irqENTRY(lines 2216 2225) the Hoare annotation is: true [2018-11-23 13:10:51,410 INFO L448 ceAbstractionStarter]: For program point torture_spin_lock_write_lock_irqFINAL(lines 2216 2225) no Hoare annotation was computed. [2018-11-23 13:10:51,410 INFO L451 ceAbstractionStarter]: At program point L1951(line 1951) the Hoare annotation is: true [2018-11-23 13:10:51,410 INFO L448 ceAbstractionStarter]: For program point L1951-1(line 1951) no Hoare annotation was computed. [2018-11-23 13:10:51,410 INFO L448 ceAbstractionStarter]: For program point ldv_kmalloc_12EXIT(lines 1946 1954) no Hoare annotation was computed. [2018-11-23 13:10:51,410 INFO L451 ceAbstractionStarter]: At program point ldv_kmalloc_12ENTRY(lines 1946 1954) the Hoare annotation is: true [2018-11-23 13:10:51,410 INFO L448 ceAbstractionStarter]: For program point ldv_kmalloc_12FINAL(lines 1946 1954) no Hoare annotation was computed. [2018-11-23 13:10:51,412 INFO L451 ceAbstractionStarter]: At program point spin_unlock_irqrestoreENTRY(lines 2993 3002) the Hoare annotation is: true [2018-11-23 13:10:51,412 INFO L448 ceAbstractionStarter]: For program point spin_unlock_irqrestoreEXIT(lines 2993 3002) no Hoare annotation was computed. [2018-11-23 13:10:51,412 INFO L451 ceAbstractionStarter]: At program point L2998(line 2998) the Hoare annotation is: true [2018-11-23 13:10:51,412 INFO L448 ceAbstractionStarter]: For program point spin_unlock_irqrestoreFINAL(lines 2993 3002) no Hoare annotation was computed. [2018-11-23 13:10:51,413 INFO L444 ceAbstractionStarter]: At program point L2998-1(line 2998) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 ~lwsa~0.offset)) (= 0 ~ldv_spin~0) (not (= ~lwsa~0.base 0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0)) (or (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)))) [2018-11-23 13:10:51,413 INFO L451 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1964 1981) the Hoare annotation is: true [2018-11-23 13:10:51,413 INFO L448 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1964 1981) no Hoare annotation was computed. [2018-11-23 13:10:51,413 INFO L448 ceAbstractionStarter]: For program point L1972(lines 1972 1979) no Hoare annotation was computed. [2018-11-23 13:10:51,413 INFO L448 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1964 1981) no Hoare annotation was computed. [2018-11-23 13:10:51,413 INFO L444 ceAbstractionStarter]: At program point L2620-1(lines 2620 2629) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,413 INFO L448 ceAbstractionStarter]: For program point L2612(lines 2612 2616) no Hoare annotation was computed. [2018-11-23 13:10:51,413 INFO L444 ceAbstractionStarter]: At program point L2530(lines 2497 2682) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (and (= ~lwsa~0.offset 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,413 INFO L444 ceAbstractionStarter]: At program point L2539(lines 2531 2548) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (= 0 ~ldv_spin~0) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,413 INFO L448 ceAbstractionStarter]: For program point L2630(line 2630) no Hoare annotation was computed. [2018-11-23 13:10:51,413 INFO L448 ceAbstractionStarter]: For program point L2663(lines 2663 2675) no Hoare annotation was computed. [2018-11-23 13:10:51,414 INFO L444 ceAbstractionStarter]: At program point L2564(line 2564) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (and (= ~lwsa~0.offset 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,414 INFO L448 ceAbstractionStarter]: For program point L2663-2(lines 2663 2675) no Hoare annotation was computed. [2018-11-23 13:10:51,414 INFO L448 ceAbstractionStarter]: For program point L2564-1(line 2564) no Hoare annotation was computed. [2018-11-23 13:10:51,414 INFO L448 ceAbstractionStarter]: For program point L2622(lines 2622 2626) no Hoare annotation was computed. [2018-11-23 13:10:51,414 INFO L444 ceAbstractionStarter]: At program point L2556-1(lines 2556 2561) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (and (= ~lwsa~0.offset 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,414 INFO L444 ceAbstractionStarter]: At program point L2680(line 2680) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (and (<= (+ lock_torture_init_~firsterr~0 12) 0) (= 0 ~ldv_spin~0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,414 INFO L448 ceAbstractionStarter]: For program point L2680-1(line 2680) no Hoare annotation was computed. [2018-11-23 13:10:51,414 INFO L444 ceAbstractionStarter]: At program point L2656(lines 2497 2682) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,414 INFO L448 ceAbstractionStarter]: For program point L2590(lines 2590 2599) no Hoare annotation was computed. [2018-11-23 13:10:51,414 INFO L444 ceAbstractionStarter]: At program point L2524(lines 2497 2682) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (and (= ~lwsa~0.offset 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,415 INFO L448 ceAbstractionStarter]: For program point L2590-2(lines 2497 2682) no Hoare annotation was computed. [2018-11-23 13:10:51,415 INFO L448 ceAbstractionStarter]: For program point lock_torture_initFINAL(lines 2485 2683) no Hoare annotation was computed. [2018-11-23 13:10:51,415 INFO L444 ceAbstractionStarter]: At program point L2541(lines 2531 2548) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (= 0 ~ldv_spin~0) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,415 INFO L444 ceAbstractionStarter]: At program point lock_torture_initENTRY(lines 2485 2683) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (and (= ~lwsa~0.offset 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,415 INFO L448 ceAbstractionStarter]: For program point L2632(lines 2632 2642) no Hoare annotation was computed. [2018-11-23 13:10:51,415 INFO L448 ceAbstractionStarter]: For program point L2566(lines 2566 2576) no Hoare annotation was computed. [2018-11-23 13:10:51,415 INFO L448 ceAbstractionStarter]: For program point lock_torture_initEXIT(lines 2485 2683) no Hoare annotation was computed. [2018-11-23 13:10:51,415 INFO L444 ceAbstractionStarter]: At program point L2583(lines 2497 2682) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,415 INFO L448 ceAbstractionStarter]: For program point L2633(lines 2633 2637) no Hoare annotation was computed. [2018-11-23 13:10:51,415 INFO L448 ceAbstractionStarter]: For program point L2567(lines 2567 2571) no Hoare annotation was computed. [2018-11-23 13:10:51,415 INFO L448 ceAbstractionStarter]: For program point L2600-1(lines 2497 2682) no Hoare annotation was computed. [2018-11-23 13:10:51,415 INFO L448 ceAbstractionStarter]: For program point L2633-2(lines 2633 2637) no Hoare annotation was computed. [2018-11-23 13:10:51,416 INFO L448 ceAbstractionStarter]: For program point L2567-2(lines 2567 2571) no Hoare annotation was computed. [2018-11-23 13:10:51,416 INFO L444 ceAbstractionStarter]: At program point L2658(lines 2497 2682) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,416 INFO L448 ceAbstractionStarter]: For program point L2592(lines 2592 2596) no Hoare annotation was computed. [2018-11-23 13:10:51,416 INFO L444 ceAbstractionStarter]: At program point L2526(lines 2497 2682) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (and (= ~lwsa~0.offset 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,416 INFO L448 ceAbstractionStarter]: For program point L2559-1(line 2559) no Hoare annotation was computed. [2018-11-23 13:10:51,416 INFO L444 ceAbstractionStarter]: At program point L2559(line 2559) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (and (= ~lwsa~0.offset 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,416 INFO L448 ceAbstractionStarter]: For program point L2650(lines 2650 2654) no Hoare annotation was computed. [2018-11-23 13:10:51,416 INFO L448 ceAbstractionStarter]: For program point L2518(lines 2518 2522) no Hoare annotation was computed. [2018-11-23 13:10:51,416 INFO L448 ceAbstractionStarter]: For program point L2551(lines 2551 2555) no Hoare annotation was computed. [2018-11-23 13:10:51,416 INFO L448 ceAbstractionStarter]: For program point L2551-2(lines 2497 2682) no Hoare annotation was computed. [2018-11-23 13:10:51,416 INFO L444 ceAbstractionStarter]: At program point L2552(line 2552) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (and (= ~lwsa~0.offset 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,417 INFO L444 ceAbstractionStarter]: At program point L2585(lines 2497 2682) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,417 INFO L448 ceAbstractionStarter]: For program point L2552-1(line 2552) no Hoare annotation was computed. [2018-11-23 13:10:51,417 INFO L448 ceAbstractionStarter]: For program point L2610-1(lines 2497 2682) no Hoare annotation was computed. [2018-11-23 13:10:51,417 INFO L448 ceAbstractionStarter]: For program point L2668(lines 2668 2672) no Hoare annotation was computed. [2018-11-23 13:10:51,417 INFO L448 ceAbstractionStarter]: For program point L2602(lines 2602 2606) no Hoare annotation was computed. [2018-11-23 13:10:51,417 INFO L448 ceAbstractionStarter]: For program point L2503(lines 2503 2507) no Hoare annotation was computed. [2018-11-23 13:10:51,417 INFO L448 ceAbstractionStarter]: For program point L2503-2(lines 2497 2682) no Hoare annotation was computed. [2018-11-23 13:10:51,417 INFO L444 ceAbstractionStarter]: At program point L2669(lines 2497 2682) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 |old(~lwsa~0.offset)|)) (and (<= (+ lock_torture_init_~firsterr~0 12) 0) (= 0 ~ldv_spin~0)) (not (= |old(~ldv_spin~0)| 0)) (not (= |old(~lwsa~0.base)| 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,417 INFO L448 ceAbstractionStarter]: For program point L2562(line 2562) no Hoare annotation was computed. [2018-11-23 13:10:51,417 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:10:51,417 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:10:51,417 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:10:51,418 INFO L448 ceAbstractionStarter]: For program point torture_spin_lock_write_lockFINAL(lines 2157 2165) no Hoare annotation was computed. [2018-11-23 13:10:51,418 INFO L451 ceAbstractionStarter]: At program point torture_spin_lock_write_lockENTRY(lines 2157 2165) the Hoare annotation is: true [2018-11-23 13:10:51,418 INFO L448 ceAbstractionStarter]: For program point torture_spin_lock_write_lockEXIT(lines 2157 2165) no Hoare annotation was computed. [2018-11-23 13:10:51,418 INFO L448 ceAbstractionStarter]: For program point L2162(line 2162) no Hoare annotation was computed. [2018-11-23 13:10:51,418 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 ~lwsa~0.offset)) (= 0 ~ldv_spin~0) (not (= |old(~ldv_spin~0)| 0)) (not (= ~lwsa~0.base 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,418 INFO L448 ceAbstractionStarter]: For program point L-1-2(line -1) no Hoare annotation was computed. [2018-11-23 13:10:51,418 INFO L448 ceAbstractionStarter]: For program point ##fun~~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:10:51,420 INFO L451 ceAbstractionStarter]: At program point L-1-3(line -1) the Hoare annotation is: true [2018-11-23 13:10:51,420 INFO L448 ceAbstractionStarter]: For program point L-1-5(line -1) no Hoare annotation was computed. [2018-11-23 13:10:51,420 INFO L444 ceAbstractionStarter]: At program point ##fun~~TO~VOIDENTRY(line -1) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 ~lwsa~0.offset)) (= 0 ~ldv_spin~0) (not (= |old(~ldv_spin~0)| 0)) (not (= ~lwsa~0.base 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,420 INFO L451 ceAbstractionStarter]: At program point L-1-6(line -1) the Hoare annotation is: true [2018-11-23 13:10:51,420 INFO L444 ceAbstractionStarter]: At program point L-1-8(line -1) the Hoare annotation is: (or (not (= 0 ~ldv_state_variable_2~0)) (not (= 0 ~lwsa~0.offset)) (= 0 ~ldv_spin~0) (not (= |old(~ldv_spin~0)| 0)) (not (= ~lwsa~0.base 0)) (< 0 (+ ~nwriters_stress~0 1)) (not (= 1 ~ldv_state_variable_0~0)) (not (= 0 ~onoff_interval~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-23 13:10:51,420 INFO L448 ceAbstractionStarter]: For program point L-1-9(line -1) no Hoare annotation was computed. [2018-11-23 13:10:51,421 INFO L451 ceAbstractionStarter]: At program point L1993(line 1993) the Hoare annotation is: true [2018-11-23 13:10:51,421 INFO L448 ceAbstractionStarter]: For program point L1993-1(line 1993) no Hoare annotation was computed. [2018-11-23 13:10:51,421 INFO L448 ceAbstractionStarter]: For program point ldv_zallocEXIT(lines 1982 1999) no Hoare annotation was computed. [2018-11-23 13:10:51,421 INFO L448 ceAbstractionStarter]: For program point L1990(lines 1990 1997) no Hoare annotation was computed. [2018-11-23 13:10:51,421 INFO L451 ceAbstractionStarter]: At program point ldv_zallocENTRY(lines 1982 1999) the Hoare annotation is: true [2018-11-23 13:10:51,421 INFO L448 ceAbstractionStarter]: For program point ldv_zallocFINAL(lines 1982 1999) no Hoare annotation was computed. [2018-11-23 13:10:51,421 INFO L448 ceAbstractionStarter]: For program point torture_spin_lock_write_unlockEXIT(lines 2205 2213) no Hoare annotation was computed. [2018-11-23 13:10:51,421 INFO L451 ceAbstractionStarter]: At program point torture_spin_lock_write_unlockENTRY(lines 2205 2213) the Hoare annotation is: true [2018-11-23 13:10:51,421 INFO L448 ceAbstractionStarter]: For program point torture_spin_lock_write_unlockFINAL(lines 2205 2213) no Hoare annotation was computed. [2018-11-23 13:10:51,421 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:10:51,421 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~lwsa~0.offset 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_state_variable_1~0 0) (= ~onoff_interval~0 0) (= 0 ~ldv_spin~0) (= ~lwsa~0.base 0) (<= (+ ~nwriters_stress~0 1) 0)) [2018-11-23 13:10:51,421 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:10:51,421 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:10:51,422 INFO L448 ceAbstractionStarter]: For program point L3042-1(lines 3034 3046) no Hoare annotation was computed. [2018-11-23 13:10:51,422 INFO L448 ceAbstractionStarter]: For program point L3039(lines 3039 3043) no Hoare annotation was computed. [2018-11-23 13:10:51,422 INFO L448 ceAbstractionStarter]: For program point ldv_check_alloc_flagsEXIT(lines 3034 3046) no Hoare annotation was computed. [2018-11-23 13:10:51,422 INFO L451 ceAbstractionStarter]: At program point ldv_check_alloc_flagsENTRY(lines 3034 3046) the Hoare annotation is: true [2018-11-23 13:10:51,422 INFO L444 ceAbstractionStarter]: At program point L3042(line 3042) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (< 0 (+ ~nwriters_stress~0 1))) [2018-11-23 13:10:51,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:10:51 BoogieIcfgContainer [2018-11-23 13:10:51,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:10:51,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:10:51,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:10:51,450 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:10:51,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:43" (3/4) ... [2018-11-23 13:10:51,462 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:10:51,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_unlock_5 [2018-11-23 13:10:51,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_lock_1 [2018-11-23 13:10:51,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_inc [2018-11-23 13:10:51,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_lock_busted_write_delay [2018-11-23 13:10:51,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_lock_spin_write_unlock_irq [2018-11-23 13:10:51,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kmalloc [2018-11-23 13:10:51,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:10:51,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lock_torture_printk [2018-11-23 13:10:51,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-23 13:10:51,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_lock_busted_write_lock [2018-11-23 13:10:51,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2018-11-23 13:10:51,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bitmap_weight [2018-11-23 13:10:51,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2018-11-23 13:10:51,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-11-23 13:10:51,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lock_torture_stats_print [2018-11-23 13:10:51,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_lock_busted_write_unlock [2018-11-23 13:10:51,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cpumask_weight [2018-11-23 13:10:51,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2018-11-23 13:10:51,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2018-11-23 13:10:51,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lock_torture_print_module_parms [2018-11-23 13:10:51,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_read [2018-11-23 13:10:51,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_unlock_irqrestore_8 [2018-11-23 13:10:51,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_spin_lock_write_delay [2018-11-23 13:10:51,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lock_torture_cleanup [2018-11-23 13:10:51,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2018-11-23 13:10:51,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_unlock [2018-11-23 13:10:51,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_lock [2018-11-23 13:10:51,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_spin_lock_write_lock_irq [2018-11-23 13:10:51,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kmalloc_12 [2018-11-23 13:10:51,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2018-11-23 13:10:51,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2018-11-23 13:10:51,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:10:51,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lock_torture_init [2018-11-23 13:10:51,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_spin_lock_write_lock [2018-11-23 13:10:51,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~~TO~VOID [2018-11-23 13:10:51,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-11-23 13:10:51,472 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_spin_lock_write_unlock [2018-11-23 13:10:51,472 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2018-11-23 13:10:51,497 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 131 nodes and edges [2018-11-23 13:10:51,497 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2018-11-23 13:10:51,498 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 13:10:51,499 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 13:10:51,500 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:10:51,500 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:10:51,501 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:10:51,527 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \old(ldv_state_variable_2)) || !(0 == \old(lwsa))) || (((((lwsa == 0 && ldv_state_variable_2 == 0) && ldv_state_variable_1 == 0) && 0 == ldv_spin) && lwsa == 0) && 1 == ldv_state_variable_0)) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(0 == onoff_interval)) || !(0 == \old(ldv_state_variable_1)) [2018-11-23 13:10:51,531 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || ((lwsa == 0 && 0 == ldv_spin) && lwsa == 0)) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) [2018-11-23 13:10:51,531 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || ((lwsa == 0 && 0 == ldv_spin) && lwsa == 0)) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) [2018-11-23 13:10:51,531 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || ((lwsa == 0 && 0 == ldv_spin) && lwsa == 0)) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) [2018-11-23 13:10:51,532 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) [2018-11-23 13:10:51,532 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || (firsterr + 12 <= 0 && 0 == ldv_spin)) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) [2018-11-23 13:10:51,532 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) [2018-11-23 13:10:51,532 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || 0 == ldv_spin) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) [2018-11-23 13:10:51,532 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) [2018-11-23 13:10:51,532 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || 0 == ldv_spin) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) [2018-11-23 13:10:51,532 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) [2018-11-23 13:10:51,601 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_efe27d61-713c-4fa5-a6d4-64ffc4f2d916/bin-2019/uautomizer/witness.graphml [2018-11-23 13:10:51,601 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:10:51,602 INFO L168 Benchmark]: Toolchain (without parser) took 9973.83 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 514.9 MB). Free memory was 953.7 MB in the beginning and 1.0 GB in the end (delta: -57.1 MB). Peak memory consumption was 457.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:10:51,603 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:10:51,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 52.2 MB. Max. memory is 11.5 GB. [2018-11-23 13:10:51,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.40 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:10:51,603 INFO L168 Benchmark]: Boogie Preprocessor took 56.43 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:10:51,604 INFO L168 Benchmark]: RCFGBuilder took 1183.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.8 MB in the end (delta: 151.3 MB). Peak memory consumption was 151.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:10:51,604 INFO L168 Benchmark]: TraceAbstraction took 7812.97 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 354.9 MB). Free memory was 954.8 MB in the beginning and 1.0 GB in the end (delta: -80.4 MB). Peak memory consumption was 488.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:10:51,604 INFO L168 Benchmark]: Witness Printer took 151.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:10:51,605 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 726.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 52.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.40 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.43 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1183.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.8 MB in the end (delta: 151.3 MB). Peak memory consumption was 151.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7812.97 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 354.9 MB). Free memory was 954.8 MB in the beginning and 1.0 GB in the end (delta: -80.4 MB). Peak memory consumption was 488.1 MB. Max. memory is 11.5 GB. * Witness Printer took 151.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2033]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2707]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: ((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) - InvariantResult [Line: 2179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2531]: Loop Invariant Derived loop invariant: (((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || 0 == ldv_spin) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: (((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || (firsterr + 12 <= 0 && 0 == ldv_spin)) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: (((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || ((lwsa == 0 && 0 == ldv_spin) && lwsa == 0)) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: ((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: ((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) - InvariantResult [Line: 2125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2531]: Loop Invariant Derived loop invariant: (((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || 0 == ldv_spin) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: ((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: (((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || ((lwsa == 0 && 0 == ldv_spin) && lwsa == 0)) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) - InvariantResult [Line: 2329]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2036]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: (((((((!(0 == ldv_state_variable_2) || !(0 == \old(lwsa))) || ((lwsa == 0 && 0 == ldv_spin) && lwsa == 0)) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(1 == ldv_state_variable_0)) || !(0 == onoff_interval)) || !(0 == ldv_state_variable_1) - InvariantResult [Line: 2125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2707]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(ldv_state_variable_2)) || !(0 == \old(lwsa))) || (((((lwsa == 0 && ldv_state_variable_2 == 0) && ldv_state_variable_1 == 0) && 0 == ldv_spin) && lwsa == 0) && 1 == ldv_state_variable_0)) || !(\old(ldv_spin) == 0)) || !(\old(lwsa) == 0)) || 0 < nwriters_stress + 1) || !(0 == onoff_interval)) || !(0 == \old(ldv_state_variable_1)) - InvariantResult [Line: 2329]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 345 locations, 1 error locations. SAFE Result, 7.7s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 6112 SDtfs, 3874 SDslu, 6976 SDs, 0 SdLazy, 318 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6241occurred in iteration=8, 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: 1.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 126 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 119 LocationsWithAnnotation, 12091 PreInvPairs, 12518 NumberOfFragments, 1873 HoareAnnotationTreeSize, 12091 FomulaSimplifications, 896 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 119 FomulaSimplificationsInter, 6824 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1012 NumberOfCodeBlocks, 1012 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1000 ConstructedInterpolants, 0 QuantifiedInterpolants, 127948 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 255/255 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...