./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 701f399f Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9181148b15e14afa3f85d7f56edfe966974a0845 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-701f399 [2019-11-22 10:07:28,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 10:07:28,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 10:07:28,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 10:07:28,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 10:07:28,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 10:07:28,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 10:07:28,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 10:07:28,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 10:07:28,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 10:07:28,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 10:07:28,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 10:07:28,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 10:07:28,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 10:07:28,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 10:07:28,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 10:07:28,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 10:07:28,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 10:07:28,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 10:07:28,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 10:07:28,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 10:07:28,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 10:07:28,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 10:07:28,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 10:07:28,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 10:07:28,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 10:07:28,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 10:07:28,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 10:07:28,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 10:07:28,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 10:07:28,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 10:07:28,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 10:07:28,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 10:07:28,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 10:07:28,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 10:07:28,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 10:07:28,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 10:07:28,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 10:07:28,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 10:07:28,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 10:07:28,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 10:07:28,551 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-22 10:07:28,573 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 10:07:28,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 10:07:28,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 10:07:28,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 10:07:28,576 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 10:07:28,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 10:07:28,576 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-22 10:07:28,577 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 10:07:28,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 10:07:28,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-22 10:07:28,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 10:07:28,579 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 10:07:28,579 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 10:07:28,579 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 10:07:28,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 10:07:28,580 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 10:07:28,580 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-22 10:07:28,580 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-22 10:07:28,581 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-22 10:07:28,581 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 10:07:28,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 10:07:28,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 10:07:28,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 10:07:28,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 10:07:28,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 10:07:28,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 10:07:28,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 10:07:28,583 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-22 10:07:28,583 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-22 10:07:28,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-22 10:07:28,584 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9181148b15e14afa3f85d7f56edfe966974a0845 [2019-11-22 10:07:28,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 10:07:28,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 10:07:28,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 10:07:28,922 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 10:07:28,923 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 10:07:28,924 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2019-11-22 10:07:28,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ff5c3b79/ec869df997624065b66354d858b4653b/FLAG7fefd04bf [2019-11-22 10:07:29,598 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 10:07:29,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2019-11-22 10:07:29,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ff5c3b79/ec869df997624065b66354d858b4653b/FLAG7fefd04bf [2019-11-22 10:07:29,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ff5c3b79/ec869df997624065b66354d858b4653b [2019-11-22 10:07:29,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 10:07:29,852 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 10:07:29,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 10:07:29,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 10:07:29,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 10:07:29,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:07:29" (1/1) ... [2019-11-22 10:07:29,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab00f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:29, skipping insertion in model container [2019-11-22 10:07:29,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:07:29" (1/1) ... [2019-11-22 10:07:29,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 10:07:29,922 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-22 10:07:30,413 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:07:30,413 INFO L968 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-22 10:07:30,414 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:07:30,437 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:07:30,438 INFO L968 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-22 10:07:30,438 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:07:30,442 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:07:30,443 INFO L968 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-22 10:07:30,443 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:07:30,447 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:07:30,448 INFO L968 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-22 10:07:30,448 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:07:30,482 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:07:30,483 INFO L968 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-22 10:07:30,483 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:07:30,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 10:07:30,525 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-22 10:07:30,550 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-22 10:07:30,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 10:07:30,627 INFO L201 MainTranslator]: Completed pre-run [2019-11-22 10:07:30,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 10:07:30,758 INFO L205 MainTranslator]: Completed translation [2019-11-22 10:07:30,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:30 WrapperNode [2019-11-22 10:07:30,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 10:07:30,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-22 10:07:30,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-22 10:07:30,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-22 10:07:30,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:30" (1/1) ... [2019-11-22 10:07:30,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:30" (1/1) ... [2019-11-22 10:07:30,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:30" (1/1) ... [2019-11-22 10:07:30,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:30" (1/1) ... [2019-11-22 10:07:30,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:30" (1/1) ... [2019-11-22 10:07:30,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:30" (1/1) ... [2019-11-22 10:07:30,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:30" (1/1) ... [2019-11-22 10:07:30,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-22 10:07:30,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-22 10:07:30,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-22 10:07:30,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-22 10:07:30,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 10:07:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-22 10:07:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-22 10:07:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 10:07:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 10:07:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-22 10:07:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-22 10:07:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-22 10:07:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-22 10:07:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-22 10:07:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-22 10:07:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-22 10:07:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-22 10:07:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-22 10:07:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-22 10:07:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-22 10:07:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-22 10:07:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-22 10:07:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-22 10:07:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-22 10:07:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-22 10:07:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-22 10:07:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-22 10:07:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-22 10:07:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-22 10:07:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-22 10:07:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-22 10:07:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-22 10:07:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-22 10:07:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-22 10:07:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-22 10:07:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-22 10:07:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-22 10:07:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-22 10:07:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-22 10:07:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-22 10:07:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-22 10:07:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-22 10:07:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-22 10:07:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-22 10:07:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-22 10:07:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-22 10:07:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-22 10:07:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-22 10:07:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-22 10:07:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-22 10:07:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-22 10:07:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-22 10:07:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-22 10:07:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-22 10:07:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-22 10:07:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-22 10:07:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-22 10:07:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-22 10:07:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-22 10:07:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-22 10:07:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-22 10:07:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-22 10:07:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-22 10:07:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-22 10:07:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-22 10:07:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-22 10:07:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-22 10:07:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-22 10:07:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-22 10:07:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-22 10:07:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-22 10:07:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-22 10:07:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-22 10:07:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-22 10:07:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-22 10:07:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-22 10:07:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-22 10:07:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-22 10:07:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-22 10:07:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-22 10:07:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-22 10:07:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-22 10:07:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-22 10:07:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-22 10:07:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-22 10:07:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-22 10:07:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-22 10:07:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-22 10:07:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-22 10:07:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-22 10:07:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-22 10:07:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-22 10:07:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-22 10:07:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-22 10:07:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-22 10:07:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-22 10:07:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-22 10:07:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-22 10:07:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-22 10:07:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-22 10:07:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-22 10:07:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-22 10:07:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-22 10:07:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-22 10:07:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-22 10:07:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-22 10:07:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-22 10:07:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-22 10:07:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-22 10:07:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-22 10:07:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-22 10:07:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-22 10:07:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-22 10:07:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-22 10:07:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-22 10:07:30,969 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-22 10:07:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-22 10:07:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-22 10:07:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-22 10:07:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-22 10:07:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-22 10:07:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-22 10:07:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-22 10:07:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-22 10:07:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-22 10:07:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-22 10:07:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-22 10:07:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-22 10:07:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-22 10:07:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-22 10:07:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-22 10:07:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-22 10:07:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-22 10:07:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-22 10:07:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-22 10:07:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-22 10:07:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-22 10:07:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-22 10:07:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-22 10:07:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-22 10:07:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-22 10:07:30,988 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-22 10:07:30,988 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-22 10:07:30,988 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-22 10:07:30,988 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-22 10:07:30,989 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-22 10:07:30,989 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-22 10:07:30,989 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-22 10:07:30,989 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-22 10:07:30,989 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-22 10:07:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-22 10:07:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-22 10:07:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-22 10:07:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-22 10:07:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-22 10:07:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-22 10:07:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-22 10:07:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-22 10:07:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-22 10:07:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-22 10:07:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-22 10:07:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-22 10:07:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-22 10:07:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-22 10:07:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-22 10:07:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-22 10:07:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-22 10:07:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-22 10:07:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-22 10:07:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-22 10:07:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-22 10:07:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-22 10:07:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-22 10:07:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-22 10:07:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-22 10:07:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-22 10:07:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-22 10:07:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-22 10:07:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-22 10:07:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-22 10:07:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-22 10:07:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-22 10:07:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-22 10:07:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-22 10:07:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-22 10:07:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-22 10:07:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-22 10:07:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-22 10:07:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-22 10:07:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-22 10:07:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-22 10:07:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-22 10:07:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 10:07:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-22 10:07:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-22 10:07:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-22 10:07:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-22 10:07:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-22 10:07:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-22 10:07:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-22 10:07:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-22 10:07:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-22 10:07:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-22 10:07:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-22 10:07:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-22 10:07:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-22 10:07:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-22 10:07:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-22 10:07:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-22 10:07:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-22 10:07:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-22 10:07:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-22 10:07:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-22 10:07:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 10:07:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-22 10:07:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-22 10:07:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-22 10:07:31,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-22 10:07:31,658 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 10:07:32,049 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 10:07:32,400 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-22 10:07:32,401 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-22 10:07:32,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:07:32 BoogieIcfgContainer [2019-11-22 10:07:32,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-22 10:07:32,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-22 10:07:32,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-22 10:07:32,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-22 10:07:32,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:07:29" (1/3) ... [2019-11-22 10:07:32,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5493de34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:07:32, skipping insertion in model container [2019-11-22 10:07:32,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:30" (2/3) ... [2019-11-22 10:07:32,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5493de34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:07:32, skipping insertion in model container [2019-11-22 10:07:32,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:07:32" (3/3) ... [2019-11-22 10:07:32,411 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test22_1-1.i [2019-11-22 10:07:32,420 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-22 10:07:32,428 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-11-22 10:07:32,439 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-11-22 10:07:32,460 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-22 10:07:32,460 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-22 10:07:32,460 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-22 10:07:32,460 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-22 10:07:32,461 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-22 10:07:32,461 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-22 10:07:32,461 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-22 10:07:32,461 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-22 10:07:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2019-11-22 10:07:32,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-22 10:07:32,493 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:32,494 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:32,495 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:32,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:32,501 INFO L82 PathProgramCache]: Analyzing trace with hash -580210168, now seen corresponding path program 1 times [2019-11-22 10:07:32,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:32,510 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [980933525] [2019-11-22 10:07:32,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:32,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 10:07:32,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:32,917 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:07:32,918 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:32,928 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:32,929 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:32,930 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:07:32,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:32,973 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:33,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:33,047 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [980933525] [2019-11-22 10:07:33,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:33,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 10:07:33,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895701254] [2019-11-22 10:07:33,059 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 10:07:33,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:33,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 10:07:33,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:07:33,081 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 5 states. [2019-11-22 10:07:33,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:33,428 INFO L93 Difference]: Finished difference Result 156 states and 167 transitions. [2019-11-22 10:07:33,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 10:07:33,431 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-22 10:07:33,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:33,462 INFO L225 Difference]: With dead ends: 156 [2019-11-22 10:07:33,469 INFO L226 Difference]: Without dead ends: 153 [2019-11-22 10:07:33,472 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:07:33,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-22 10:07:33,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 147. [2019-11-22 10:07:33,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-22 10:07:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 158 transitions. [2019-11-22 10:07:33,530 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 158 transitions. Word has length 17 [2019-11-22 10:07:33,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:33,530 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 158 transitions. [2019-11-22 10:07:33,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 10:07:33,531 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 158 transitions. [2019-11-22 10:07:33,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-22 10:07:33,532 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:33,532 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:33,735 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:33,736 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:33,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:33,737 INFO L82 PathProgramCache]: Analyzing trace with hash -580210167, now seen corresponding path program 1 times [2019-11-22 10:07:33,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:33,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [375795243] [2019-11-22 10:07:33,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:34,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-22 10:07:34,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:34,041 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:07:34,042 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:34,048 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:34,049 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:34,049 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 10:07:34,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:34,108 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:34,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:34,431 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [375795243] [2019-11-22 10:07:34,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:34,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-22 10:07:34,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027775257] [2019-11-22 10:07:34,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-22 10:07:34,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:34,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-22 10:07:34,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-22 10:07:34,435 INFO L87 Difference]: Start difference. First operand 147 states and 158 transitions. Second operand 10 states. [2019-11-22 10:07:35,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:35,146 INFO L93 Difference]: Finished difference Result 152 states and 163 transitions. [2019-11-22 10:07:35,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-22 10:07:35,148 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-11-22 10:07:35,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:35,151 INFO L225 Difference]: With dead ends: 152 [2019-11-22 10:07:35,151 INFO L226 Difference]: Without dead ends: 152 [2019-11-22 10:07:35,152 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-22 10:07:35,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-22 10:07:35,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 147. [2019-11-22 10:07:35,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-22 10:07:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 157 transitions. [2019-11-22 10:07:35,176 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 157 transitions. Word has length 17 [2019-11-22 10:07:35,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:35,176 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 157 transitions. [2019-11-22 10:07:35,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-22 10:07:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2019-11-22 10:07:35,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-22 10:07:35,177 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:35,177 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:35,380 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:35,381 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:35,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:35,382 INFO L82 PathProgramCache]: Analyzing trace with hash -551581017, now seen corresponding path program 1 times [2019-11-22 10:07:35,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:35,384 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1673825865] [2019-11-22 10:07:35,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:35,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-22 10:07:35,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:35,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:35,643 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:35,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:35,683 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1673825865] [2019-11-22 10:07:35,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:35,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 10:07:35,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770773604] [2019-11-22 10:07:35,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 10:07:35,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:35,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 10:07:35,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:07:35,685 INFO L87 Difference]: Start difference. First operand 147 states and 157 transitions. Second operand 5 states. [2019-11-22 10:07:35,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:35,710 INFO L93 Difference]: Finished difference Result 146 states and 154 transitions. [2019-11-22 10:07:35,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 10:07:35,711 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-22 10:07:35,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:35,713 INFO L225 Difference]: With dead ends: 146 [2019-11-22 10:07:35,713 INFO L226 Difference]: Without dead ends: 146 [2019-11-22 10:07:35,714 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:07:35,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-22 10:07:35,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2019-11-22 10:07:35,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-22 10:07:35,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 152 transitions. [2019-11-22 10:07:35,725 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 152 transitions. Word has length 17 [2019-11-22 10:07:35,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:35,726 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 152 transitions. [2019-11-22 10:07:35,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 10:07:35,726 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 152 transitions. [2019-11-22 10:07:35,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-22 10:07:35,727 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:35,727 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:35,929 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:35,930 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:35,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:35,931 INFO L82 PathProgramCache]: Analyzing trace with hash 180429038, now seen corresponding path program 1 times [2019-11-22 10:07:35,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:35,931 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [145403842] [2019-11-22 10:07:35,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:36,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 10:07:36,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:36,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:36,180 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:36,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:36,271 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [145403842] [2019-11-22 10:07:36,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:36,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 10:07:36,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093663594] [2019-11-22 10:07:36,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 10:07:36,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:36,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 10:07:36,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:07:36,273 INFO L87 Difference]: Start difference. First operand 144 states and 152 transitions. Second operand 5 states. [2019-11-22 10:07:36,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:36,302 INFO L93 Difference]: Finished difference Result 146 states and 153 transitions. [2019-11-22 10:07:36,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 10:07:36,302 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-22 10:07:36,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:36,304 INFO L225 Difference]: With dead ends: 146 [2019-11-22 10:07:36,307 INFO L226 Difference]: Without dead ends: 146 [2019-11-22 10:07:36,307 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:07:36,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-22 10:07:36,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2019-11-22 10:07:36,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-22 10:07:36,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 151 transitions. [2019-11-22 10:07:36,329 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 151 transitions. Word has length 27 [2019-11-22 10:07:36,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:36,330 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 151 transitions. [2019-11-22 10:07:36,331 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 10:07:36,331 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2019-11-22 10:07:36,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-22 10:07:36,332 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:36,333 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:36,535 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:36,536 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:36,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:36,537 INFO L82 PathProgramCache]: Analyzing trace with hash -330105139, now seen corresponding path program 1 times [2019-11-22 10:07:36,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:36,538 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [220449461] [2019-11-22 10:07:36,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:36,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-22 10:07:36,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:36,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:36,874 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:36,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:36,925 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [220449461] [2019-11-22 10:07:36,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:36,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2019-11-22 10:07:36,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273067668] [2019-11-22 10:07:36,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-22 10:07:36,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:36,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-22 10:07:36,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-22 10:07:36,927 INFO L87 Difference]: Start difference. First operand 144 states and 151 transitions. Second operand 7 states. [2019-11-22 10:07:36,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:36,994 INFO L93 Difference]: Finished difference Result 160 states and 168 transitions. [2019-11-22 10:07:36,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-22 10:07:36,999 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-11-22 10:07:36,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:37,001 INFO L225 Difference]: With dead ends: 160 [2019-11-22 10:07:37,001 INFO L226 Difference]: Without dead ends: 160 [2019-11-22 10:07:37,001 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-22 10:07:37,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-22 10:07:37,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 153. [2019-11-22 10:07:37,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-11-22 10:07:37,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 160 transitions. [2019-11-22 10:07:37,009 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 160 transitions. Word has length 27 [2019-11-22 10:07:37,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:37,009 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 160 transitions. [2019-11-22 10:07:37,010 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-22 10:07:37,010 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 160 transitions. [2019-11-22 10:07:37,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-22 10:07:37,011 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:37,011 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:37,222 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:37,223 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:37,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:37,223 INFO L82 PathProgramCache]: Analyzing trace with hash 317366699, now seen corresponding path program 1 times [2019-11-22 10:07:37,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:37,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [836898786] [2019-11-22 10:07:37,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:37,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-22 10:07:37,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:37,551 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:37,610 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [836898786] [2019-11-22 10:07:37,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:37,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-22 10:07:37,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516242567] [2019-11-22 10:07:37,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-22 10:07:37,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:37,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-22 10:07:37,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-22 10:07:37,612 INFO L87 Difference]: Start difference. First operand 153 states and 160 transitions. Second operand 6 states. [2019-11-22 10:07:37,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:37,671 INFO L93 Difference]: Finished difference Result 159 states and 166 transitions. [2019-11-22 10:07:37,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-22 10:07:37,672 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-22 10:07:37,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:37,674 INFO L225 Difference]: With dead ends: 159 [2019-11-22 10:07:37,675 INFO L226 Difference]: Without dead ends: 155 [2019-11-22 10:07:37,675 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-22 10:07:37,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-11-22 10:07:37,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2019-11-22 10:07:37,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-22 10:07:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 162 transitions. [2019-11-22 10:07:37,690 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 162 transitions. Word has length 32 [2019-11-22 10:07:37,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:37,690 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 162 transitions. [2019-11-22 10:07:37,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-22 10:07:37,691 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 162 transitions. [2019-11-22 10:07:37,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-22 10:07:37,700 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:37,700 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-22 10:07:37,905 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:37,906 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:37,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:37,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1135828661, now seen corresponding path program 1 times [2019-11-22 10:07:37,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:37,908 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [290131194] [2019-11-22 10:07:37,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:38,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 10:07:38,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:38,247 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:38,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:38,368 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [290131194] [2019-11-22 10:07:38,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 10:07:38,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2019-11-22 10:07:38,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713723057] [2019-11-22 10:07:38,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-22 10:07:38,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:38,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-22 10:07:38,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-22 10:07:38,370 INFO L87 Difference]: Start difference. First operand 155 states and 162 transitions. Second operand 10 states. [2019-11-22 10:07:38,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:38,628 INFO L93 Difference]: Finished difference Result 163 states and 172 transitions. [2019-11-22 10:07:38,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-22 10:07:38,629 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2019-11-22 10:07:38,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:38,633 INFO L225 Difference]: With dead ends: 163 [2019-11-22 10:07:38,633 INFO L226 Difference]: Without dead ends: 159 [2019-11-22 10:07:38,635 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2019-11-22 10:07:38,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-11-22 10:07:38,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2019-11-22 10:07:38,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-11-22 10:07:38,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 166 transitions. [2019-11-22 10:07:38,647 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 166 transitions. Word has length 34 [2019-11-22 10:07:38,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:38,648 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 166 transitions. [2019-11-22 10:07:38,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-22 10:07:38,648 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 166 transitions. [2019-11-22 10:07:38,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-22 10:07:38,649 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:38,650 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:38,853 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:38,853 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:38,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:38,854 INFO L82 PathProgramCache]: Analyzing trace with hash 591246760, now seen corresponding path program 1 times [2019-11-22 10:07:38,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:38,855 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1028370842] [2019-11-22 10:07:38,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:39,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-22 10:07:39,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:39,249 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:39,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:39,348 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1028370842] [2019-11-22 10:07:39,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:39,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2019-11-22 10:07:39,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895569698] [2019-11-22 10:07:39,349 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-22 10:07:39,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:39,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-22 10:07:39,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-22 10:07:39,350 INFO L87 Difference]: Start difference. First operand 159 states and 166 transitions. Second operand 7 states. [2019-11-22 10:07:39,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:39,410 INFO L93 Difference]: Finished difference Result 169 states and 176 transitions. [2019-11-22 10:07:39,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-22 10:07:39,411 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-11-22 10:07:39,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:39,413 INFO L225 Difference]: With dead ends: 169 [2019-11-22 10:07:39,413 INFO L226 Difference]: Without dead ends: 169 [2019-11-22 10:07:39,413 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-22 10:07:39,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-11-22 10:07:39,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 165. [2019-11-22 10:07:39,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2019-11-22 10:07:39,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 172 transitions. [2019-11-22 10:07:39,420 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 172 transitions. Word has length 36 [2019-11-22 10:07:39,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:39,420 INFO L462 AbstractCegarLoop]: Abstraction has 165 states and 172 transitions. [2019-11-22 10:07:39,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-22 10:07:39,420 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 172 transitions. [2019-11-22 10:07:39,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-22 10:07:39,421 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:39,421 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:39,625 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:39,625 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:39,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:39,626 INFO L82 PathProgramCache]: Analyzing trace with hash -212953728, now seen corresponding path program 1 times [2019-11-22 10:07:39,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:39,627 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1681531288] [2019-11-22 10:07:39,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:39,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-22 10:07:39,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:39,863 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:39,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:39,982 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1681531288] [2019-11-22 10:07:39,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:39,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-22 10:07:39,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714727414] [2019-11-22 10:07:39,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-22 10:07:39,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:39,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-22 10:07:39,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-22 10:07:39,983 INFO L87 Difference]: Start difference. First operand 165 states and 172 transitions. Second operand 3 states. [2019-11-22 10:07:40,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:40,175 INFO L93 Difference]: Finished difference Result 176 states and 182 transitions. [2019-11-22 10:07:40,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-22 10:07:40,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-22 10:07:40,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:40,178 INFO L225 Difference]: With dead ends: 176 [2019-11-22 10:07:40,178 INFO L226 Difference]: Without dead ends: 154 [2019-11-22 10:07:40,178 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-22 10:07:40,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-22 10:07:40,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 146. [2019-11-22 10:07:40,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-22 10:07:40,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 152 transitions. [2019-11-22 10:07:40,183 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 152 transitions. Word has length 34 [2019-11-22 10:07:40,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:40,184 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 152 transitions. [2019-11-22 10:07:40,184 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-22 10:07:40,184 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 152 transitions. [2019-11-22 10:07:40,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-22 10:07:40,185 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:40,185 INFO L410 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:40,387 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:40,391 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:40,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:40,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1203345269, now seen corresponding path program 2 times [2019-11-22 10:07:40,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:40,393 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [13706105] [2019-11-22 10:07:40,393 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:40,668 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-22 10:07:40,669 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-22 10:07:40,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-22 10:07:40,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:40,680 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:07:40,681 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:40,682 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:40,683 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:40,683 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:07:40,816 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-22 10:07:40,817 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-22 10:07:40,911 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [13706105] [2019-11-22 10:07:40,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:40,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 9] imperfect sequences [] total 12 [2019-11-22 10:07:40,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020551512] [2019-11-22 10:07:40,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-22 10:07:40,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:40,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-22 10:07:40,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-22 10:07:40,913 INFO L87 Difference]: Start difference. First operand 146 states and 152 transitions. Second operand 13 states. [2019-11-22 10:07:42,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:42,021 INFO L93 Difference]: Finished difference Result 157 states and 162 transitions. [2019-11-22 10:07:42,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 10:07:42,022 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38 [2019-11-22 10:07:42,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:42,023 INFO L225 Difference]: With dead ends: 157 [2019-11-22 10:07:42,023 INFO L226 Difference]: Without dead ends: 157 [2019-11-22 10:07:42,024 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-11-22 10:07:42,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-22 10:07:42,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 145. [2019-11-22 10:07:42,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-11-22 10:07:42,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 151 transitions. [2019-11-22 10:07:42,029 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 151 transitions. Word has length 38 [2019-11-22 10:07:42,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:42,029 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 151 transitions. [2019-11-22 10:07:42,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-22 10:07:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 151 transitions. [2019-11-22 10:07:42,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-22 10:07:42,030 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:42,030 INFO L410 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:42,234 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:42,234 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:42,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:42,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1203345268, now seen corresponding path program 1 times [2019-11-22 10:07:42,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:42,235 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2003714524] [2019-11-22 10:07:42,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:42,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-22 10:07:42,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:42,662 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:42,662 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:42,969 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2003714524] [2019-11-22 10:07:42,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 10:07:42,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2019-11-22 10:07:42,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71426424] [2019-11-22 10:07:42,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-22 10:07:42,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:42,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-22 10:07:42,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2019-11-22 10:07:42,971 INFO L87 Difference]: Start difference. First operand 145 states and 151 transitions. Second operand 18 states. [2019-11-22 10:07:43,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:43,827 INFO L93 Difference]: Finished difference Result 157 states and 169 transitions. [2019-11-22 10:07:43,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-22 10:07:43,827 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 38 [2019-11-22 10:07:43,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:43,829 INFO L225 Difference]: With dead ends: 157 [2019-11-22 10:07:43,829 INFO L226 Difference]: Without dead ends: 153 [2019-11-22 10:07:43,830 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=223, Invalid=377, Unknown=0, NotChecked=0, Total=600 [2019-11-22 10:07:43,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-22 10:07:43,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-11-22 10:07:43,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-11-22 10:07:43,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 159 transitions. [2019-11-22 10:07:43,835 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 159 transitions. Word has length 38 [2019-11-22 10:07:43,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:43,835 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 159 transitions. [2019-11-22 10:07:43,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-22 10:07:43,836 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 159 transitions. [2019-11-22 10:07:43,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-22 10:07:43,836 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:43,837 INFO L410 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:44,040 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:44,041 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:44,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:44,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1038685964, now seen corresponding path program 2 times [2019-11-22 10:07:44,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:44,043 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [266954741] [2019-11-22 10:07:44,044 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:44,383 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-22 10:07:44,383 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-22 10:07:44,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-22 10:07:44,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:44,409 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:07:44,409 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:44,420 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:44,420 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:44,421 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 10:07:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-22 10:07:44,679 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:45,580 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-22 10:07:45,580 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [266954741] [2019-11-22 10:07:45,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:45,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2019-11-22 10:07:45,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750928214] [2019-11-22 10:07:45,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-22 10:07:45,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:45,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-22 10:07:45,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2019-11-22 10:07:45,582 INFO L87 Difference]: Start difference. First operand 153 states and 159 transitions. Second operand 23 states. [2019-11-22 10:07:48,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:48,348 INFO L93 Difference]: Finished difference Result 152 states and 158 transitions. [2019-11-22 10:07:48,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 10:07:48,348 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 46 [2019-11-22 10:07:48,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:48,350 INFO L225 Difference]: With dead ends: 152 [2019-11-22 10:07:48,350 INFO L226 Difference]: Without dead ends: 152 [2019-11-22 10:07:48,350 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 68 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2019-11-22 10:07:48,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-22 10:07:48,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2019-11-22 10:07:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-22 10:07:48,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 158 transitions. [2019-11-22 10:07:48,356 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 158 transitions. Word has length 46 [2019-11-22 10:07:48,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:48,356 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 158 transitions. [2019-11-22 10:07:48,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-22 10:07:48,356 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 158 transitions. [2019-11-22 10:07:48,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-22 10:07:48,357 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:48,357 INFO L410 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:48,560 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:48,561 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:48,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:48,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1614588820, now seen corresponding path program 1 times [2019-11-22 10:07:48,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:48,563 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [964917850] [2019-11-22 10:07:48,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:48,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-22 10:07:48,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:49,153 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:49,154 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:49,267 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-11-22 10:07:50,059 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:50,060 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [964917850] [2019-11-22 10:07:50,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 10:07:50,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2019-11-22 10:07:50,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156586736] [2019-11-22 10:07:50,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-11-22 10:07:50,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:50,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-11-22 10:07:50,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=892, Unknown=0, NotChecked=0, Total=1122 [2019-11-22 10:07:50,063 INFO L87 Difference]: Start difference. First operand 152 states and 158 transitions. Second operand 34 states. [2019-11-22 10:07:50,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:50,837 INFO L93 Difference]: Finished difference Result 158 states and 164 transitions. [2019-11-22 10:07:50,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-22 10:07:50,839 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 51 [2019-11-22 10:07:50,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:50,843 INFO L225 Difference]: With dead ends: 158 [2019-11-22 10:07:50,843 INFO L226 Difference]: Without dead ends: 154 [2019-11-22 10:07:50,845 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=250, Invalid=940, Unknown=0, NotChecked=0, Total=1190 [2019-11-22 10:07:50,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-22 10:07:50,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-11-22 10:07:50,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-22 10:07:50,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 160 transitions. [2019-11-22 10:07:50,849 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 160 transitions. Word has length 51 [2019-11-22 10:07:50,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:50,850 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 160 transitions. [2019-11-22 10:07:50,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-11-22 10:07:50,850 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 160 transitions. [2019-11-22 10:07:50,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-22 10:07:50,851 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:50,851 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:51,055 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:51,055 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:51,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:51,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1256867828, now seen corresponding path program 2 times [2019-11-22 10:07:51,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:51,057 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [663883081] [2019-11-22 10:07:51,058 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:51,383 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-22 10:07:51,383 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-22 10:07:51,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-22 10:07:51,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:51,391 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:07:51,392 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:51,393 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:51,394 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:51,394 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:07:51,576 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:07:51,577 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:07:51,659 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [663883081] [2019-11-22 10:07:51,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:51,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 9] imperfect sequences [] total 12 [2019-11-22 10:07:51,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172644092] [2019-11-22 10:07:51,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-22 10:07:51,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:51,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-22 10:07:51,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-22 10:07:51,661 INFO L87 Difference]: Start difference. First operand 154 states and 160 transitions. Second operand 13 states. [2019-11-22 10:07:52,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:52,645 INFO L93 Difference]: Finished difference Result 164 states and 169 transitions. [2019-11-22 10:07:52,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 10:07:52,645 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2019-11-22 10:07:52,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:52,647 INFO L225 Difference]: With dead ends: 164 [2019-11-22 10:07:52,647 INFO L226 Difference]: Without dead ends: 164 [2019-11-22 10:07:52,647 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-11-22 10:07:52,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-22 10:07:52,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 152. [2019-11-22 10:07:52,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-22 10:07:52,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 158 transitions. [2019-11-22 10:07:52,652 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 158 transitions. Word has length 53 [2019-11-22 10:07:52,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:52,653 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 158 transitions. [2019-11-22 10:07:52,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-22 10:07:52,653 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 158 transitions. [2019-11-22 10:07:52,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-22 10:07:52,654 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:52,654 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:52,859 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:52,860 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:52,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:52,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1256867829, now seen corresponding path program 1 times [2019-11-22 10:07:52,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:52,862 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [576119879] [2019-11-22 10:07:52,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:53,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-22 10:07:53,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:53,336 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:07:53,336 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:53,342 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:53,342 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:53,342 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 10:07:53,589 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:07:53,589 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:54,392 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:07:54,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [576119879] [2019-11-22 10:07:54,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:54,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2019-11-22 10:07:54,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813723185] [2019-11-22 10:07:54,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-22 10:07:54,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:54,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-22 10:07:54,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2019-11-22 10:07:54,394 INFO L87 Difference]: Start difference. First operand 152 states and 158 transitions. Second operand 23 states. [2019-11-22 10:07:56,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:56,810 INFO L93 Difference]: Finished difference Result 150 states and 156 transitions. [2019-11-22 10:07:56,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 10:07:56,811 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 53 [2019-11-22 10:07:56,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:56,812 INFO L225 Difference]: With dead ends: 150 [2019-11-22 10:07:56,812 INFO L226 Difference]: Without dead ends: 150 [2019-11-22 10:07:56,813 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 80 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2019-11-22 10:07:56,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-22 10:07:56,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-22 10:07:56,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-22 10:07:56,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 156 transitions. [2019-11-22 10:07:56,818 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 156 transitions. Word has length 53 [2019-11-22 10:07:56,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:56,818 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 156 transitions. [2019-11-22 10:07:56,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-22 10:07:56,818 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 156 transitions. [2019-11-22 10:07:56,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-22 10:07:56,819 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:56,819 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:57,023 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:57,024 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:57,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:57,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1782492395, now seen corresponding path program 1 times [2019-11-22 10:07:57,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:57,026 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [125041480] [2019-11-22 10:07:57,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:57,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-22 10:07:57,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:57,361 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:07:57,361 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:57,487 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:07:57,488 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [125041480] [2019-11-22 10:07:57,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:57,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-22 10:07:57,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264432110] [2019-11-22 10:07:57,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-22 10:07:57,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:57,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-22 10:07:57,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-22 10:07:57,489 INFO L87 Difference]: Start difference. First operand 150 states and 156 transitions. Second operand 8 states. [2019-11-22 10:07:57,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:57,529 INFO L93 Difference]: Finished difference Result 152 states and 157 transitions. [2019-11-22 10:07:57,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-22 10:07:57,529 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-11-22 10:07:57,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:57,531 INFO L225 Difference]: With dead ends: 152 [2019-11-22 10:07:57,531 INFO L226 Difference]: Without dead ends: 150 [2019-11-22 10:07:57,532 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-22 10:07:57,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-22 10:07:57,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-22 10:07:57,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-22 10:07:57,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 155 transitions. [2019-11-22 10:07:57,537 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 155 transitions. Word has length 56 [2019-11-22 10:07:57,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:57,537 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 155 transitions. [2019-11-22 10:07:57,537 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-22 10:07:57,537 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 155 transitions. [2019-11-22 10:07:57,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-22 10:07:57,538 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:57,538 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:57,741 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:57,742 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:57,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:57,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1924935738, now seen corresponding path program 1 times [2019-11-22 10:07:57,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:57,744 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [530843680] [2019-11-22 10:07:57,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:58,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-22 10:07:58,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:58,111 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:07:58,111 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:58,283 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:07:58,347 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:07:58,347 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [530843680] [2019-11-22 10:07:58,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:58,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 11 [2019-11-22 10:07:58,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998742737] [2019-11-22 10:07:58,349 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-22 10:07:58,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:58,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-22 10:07:58,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-22 10:07:58,350 INFO L87 Difference]: Start difference. First operand 150 states and 155 transitions. Second operand 11 states. [2019-11-22 10:07:58,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:58,455 INFO L93 Difference]: Finished difference Result 154 states and 158 transitions. [2019-11-22 10:07:58,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-22 10:07:58,456 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2019-11-22 10:07:58,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:58,458 INFO L225 Difference]: With dead ends: 154 [2019-11-22 10:07:58,458 INFO L226 Difference]: Without dead ends: 150 [2019-11-22 10:07:58,458 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-22 10:07:58,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-22 10:07:58,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-22 10:07:58,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-22 10:07:58,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2019-11-22 10:07:58,464 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 61 [2019-11-22 10:07:58,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:58,464 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2019-11-22 10:07:58,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-22 10:07:58,464 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2019-11-22 10:07:58,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-22 10:07:58,465 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:58,466 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:58,666 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:58,667 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:58,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:58,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1553235633, now seen corresponding path program 1 times [2019-11-22 10:07:58,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:58,668 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1941892944] [2019-11-22 10:07:58,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:59,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-22 10:07:59,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:59,163 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:07:59,164 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:59,171 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:59,171 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:59,171 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:07:59,463 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:07:59,463 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:07:59,846 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1941892944] [2019-11-22 10:07:59,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:59,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17, 12] imperfect sequences [] total 17 [2019-11-22 10:07:59,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473447946] [2019-11-22 10:07:59,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-22 10:07:59,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:59,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-22 10:07:59,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2019-11-22 10:07:59,847 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 18 states. [2019-11-22 10:08:01,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:08:01,361 INFO L93 Difference]: Finished difference Result 160 states and 163 transitions. [2019-11-22 10:08:01,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-22 10:08:01,361 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 72 [2019-11-22 10:08:01,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:08:01,362 INFO L225 Difference]: With dead ends: 160 [2019-11-22 10:08:01,362 INFO L226 Difference]: Without dead ends: 160 [2019-11-22 10:08:01,363 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 123 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2019-11-22 10:08:01,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-22 10:08:01,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 148. [2019-11-22 10:08:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-22 10:08:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 152 transitions. [2019-11-22 10:08:01,368 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 152 transitions. Word has length 72 [2019-11-22 10:08:01,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:08:01,369 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 152 transitions. [2019-11-22 10:08:01,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-22 10:08:01,369 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions. [2019-11-22 10:08:01,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-22 10:08:01,370 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:08:01,370 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:08:01,577 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:01,578 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:08:01,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:08:01,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1553235634, now seen corresponding path program 1 times [2019-11-22 10:08:01,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:08:01,580 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1076440097] [2019-11-22 10:08:01,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 20 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:08:02,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 36 conjunts are in the unsatisfiable core [2019-11-22 10:08:02,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:08:02,124 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:08:02,124 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:02,133 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:02,134 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:08:02,134 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 10:08:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:08:02,642 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:08:04,192 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:08:04,193 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1076440097] [2019-11-22 10:08:04,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:08:04,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17, 14] imperfect sequences [] total 30 [2019-11-22 10:08:04,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372645276] [2019-11-22 10:08:04,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-11-22 10:08:04,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:08:04,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-11-22 10:08:04,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2019-11-22 10:08:04,195 INFO L87 Difference]: Start difference. First operand 148 states and 152 transitions. Second operand 31 states. [2019-11-22 10:08:08,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:08:08,206 INFO L93 Difference]: Finished difference Result 146 states and 150 transitions. [2019-11-22 10:08:08,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-22 10:08:08,207 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 72 [2019-11-22 10:08:08,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:08:08,208 INFO L225 Difference]: With dead ends: 146 [2019-11-22 10:08:08,208 INFO L226 Difference]: Without dead ends: 146 [2019-11-22 10:08:08,209 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 110 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=119, Invalid=1141, Unknown=0, NotChecked=0, Total=1260 [2019-11-22 10:08:08,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-22 10:08:08,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-11-22 10:08:08,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-22 10:08:08,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 150 transitions. [2019-11-22 10:08:08,214 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 150 transitions. Word has length 72 [2019-11-22 10:08:08,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:08:08,214 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 150 transitions. [2019-11-22 10:08:08,214 INFO L463 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-11-22 10:08:08,214 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 150 transitions. [2019-11-22 10:08:08,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-22 10:08:08,215 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:08:08,215 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:08:08,420 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:08,420 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:08:08,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:08:08,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1822676548, now seen corresponding path program 1 times [2019-11-22 10:08:08,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:08:08,422 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [55168962] [2019-11-22 10:08:08,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 21 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:08:08,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-22 10:08:08,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:08:08,834 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:08:08,835 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:08:08,997 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:08:08,998 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [55168962] [2019-11-22 10:08:08,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:08:08,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 11 [2019-11-22 10:08:08,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403449418] [2019-11-22 10:08:08,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-22 10:08:08,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:08:08,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-22 10:08:08,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-22 10:08:08,999 INFO L87 Difference]: Start difference. First operand 146 states and 150 transitions. Second operand 11 states. [2019-11-22 10:08:09,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:08:09,098 INFO L93 Difference]: Finished difference Result 149 states and 152 transitions. [2019-11-22 10:08:09,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-22 10:08:09,105 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 81 [2019-11-22 10:08:09,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:08:09,106 INFO L225 Difference]: With dead ends: 149 [2019-11-22 10:08:09,106 INFO L226 Difference]: Without dead ends: 146 [2019-11-22 10:08:09,106 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-11-22 10:08:09,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-22 10:08:09,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-11-22 10:08:09,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-22 10:08:09,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 149 transitions. [2019-11-22 10:08:09,112 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 149 transitions. Word has length 81 [2019-11-22 10:08:09,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:08:09,112 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 149 transitions. [2019-11-22 10:08:09,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-22 10:08:09,113 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 149 transitions. [2019-11-22 10:08:09,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-22 10:08:09,114 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:08:09,114 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:08:09,318 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:09,318 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:08:09,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:08:09,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1759296345, now seen corresponding path program 1 times [2019-11-22 10:08:09,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:08:09,320 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2125136084] [2019-11-22 10:08:09,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 22 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:08:09,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 30 conjunts are in the unsatisfiable core [2019-11-22 10:08:09,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:08:09,853 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:08:09,853 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:09,855 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:09,855 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:08:09,855 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:08:10,364 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:08:10,365 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:08:10,789 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:08:10,789 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2125136084] [2019-11-22 10:08:10,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:08:10,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19, 14] imperfect sequences [] total 19 [2019-11-22 10:08:10,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591022539] [2019-11-22 10:08:10,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-22 10:08:10,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:08:10,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-22 10:08:10,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2019-11-22 10:08:10,791 INFO L87 Difference]: Start difference. First operand 146 states and 149 transitions. Second operand 20 states. [2019-11-22 10:08:12,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:08:12,488 INFO L93 Difference]: Finished difference Result 160 states and 162 transitions. [2019-11-22 10:08:12,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-22 10:08:12,489 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 94 [2019-11-22 10:08:12,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:08:12,490 INFO L225 Difference]: With dead ends: 160 [2019-11-22 10:08:12,490 INFO L226 Difference]: Without dead ends: 160 [2019-11-22 10:08:12,490 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 163 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2019-11-22 10:08:12,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-22 10:08:12,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 144. [2019-11-22 10:08:12,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-22 10:08:12,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 147 transitions. [2019-11-22 10:08:12,494 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 147 transitions. Word has length 94 [2019-11-22 10:08:12,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:08:12,498 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 147 transitions. [2019-11-22 10:08:12,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-22 10:08:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 147 transitions. [2019-11-22 10:08:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-22 10:08:12,499 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:08:12,500 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:08:12,709 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:12,710 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:08:12,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:08:12,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1759296346, now seen corresponding path program 1 times [2019-11-22 10:08:12,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:08:12,712 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [645138946] [2019-11-22 10:08:12,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 23 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:08:13,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 40 conjunts are in the unsatisfiable core [2019-11-22 10:08:13,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:08:13,362 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:08:13,363 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:13,369 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:13,369 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:08:13,370 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 10:08:13,872 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:08:13,872 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:08:15,751 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:08:15,751 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [645138946] [2019-11-22 10:08:15,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:08:15,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19, 16] imperfect sequences [] total 34 [2019-11-22 10:08:15,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975296634] [2019-11-22 10:08:15,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-11-22 10:08:15,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:08:15,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-11-22 10:08:15,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1093, Unknown=0, NotChecked=0, Total=1190 [2019-11-22 10:08:15,753 INFO L87 Difference]: Start difference. First operand 144 states and 147 transitions. Second operand 35 states. [2019-11-22 10:08:20,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:08:20,090 INFO L93 Difference]: Finished difference Result 142 states and 145 transitions. [2019-11-22 10:08:20,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-22 10:08:20,091 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 94 [2019-11-22 10:08:20,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:08:20,093 INFO L225 Difference]: With dead ends: 142 [2019-11-22 10:08:20,093 INFO L226 Difference]: Without dead ends: 142 [2019-11-22 10:08:20,094 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 148 SyntacticMatches, 6 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=138, Invalid=1502, Unknown=0, NotChecked=0, Total=1640 [2019-11-22 10:08:20,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-22 10:08:20,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-11-22 10:08:20,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-22 10:08:20,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 145 transitions. [2019-11-22 10:08:20,098 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 145 transitions. Word has length 94 [2019-11-22 10:08:20,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:08:20,098 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 145 transitions. [2019-11-22 10:08:20,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-11-22 10:08:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 145 transitions. [2019-11-22 10:08:20,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-22 10:08:20,099 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:08:20,099 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:08:20,304 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:20,305 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:08:20,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:08:20,305 INFO L82 PathProgramCache]: Analyzing trace with hash -207269007, now seen corresponding path program 1 times [2019-11-22 10:08:20,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:08:20,306 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1259759869] [2019-11-22 10:08:20,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 24 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:08:20,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-22 10:08:20,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:08:20,750 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:08:20,750 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:08:21,015 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:08:21,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1259759869] [2019-11-22 10:08:21,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:08:21,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 11 [2019-11-22 10:08:21,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255591765] [2019-11-22 10:08:21,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-22 10:08:21,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:08:21,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-22 10:08:21,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-22 10:08:21,017 INFO L87 Difference]: Start difference. First operand 142 states and 145 transitions. Second operand 11 states. [2019-11-22 10:08:21,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:08:21,098 INFO L93 Difference]: Finished difference Result 144 states and 146 transitions. [2019-11-22 10:08:21,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-22 10:08:21,099 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2019-11-22 10:08:21,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:08:21,100 INFO L225 Difference]: With dead ends: 144 [2019-11-22 10:08:21,100 INFO L226 Difference]: Without dead ends: 142 [2019-11-22 10:08:21,101 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-11-22 10:08:21,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-22 10:08:21,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-11-22 10:08:21,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-22 10:08:21,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 144 transitions. [2019-11-22 10:08:21,104 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 144 transitions. Word has length 92 [2019-11-22 10:08:21,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:08:21,105 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 144 transitions. [2019-11-22 10:08:21,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-22 10:08:21,105 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 144 transitions. [2019-11-22 10:08:21,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-22 10:08:21,105 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:08:21,106 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:08:21,308 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:21,309 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:08:21,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:08:21,309 INFO L82 PathProgramCache]: Analyzing trace with hash -889618677, now seen corresponding path program 1 times [2019-11-22 10:08:21,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:08:21,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [281355844] [2019-11-22 10:08:21,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 25 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:08:21,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 42 conjunts are in the unsatisfiable core [2019-11-22 10:08:21,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:08:21,867 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:08:21,867 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:21,869 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:21,869 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:08:21,869 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:08:22,344 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:08:22,344 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:08:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:08:22,881 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [281355844] [2019-11-22 10:08:22,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:08:22,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23, 18] imperfect sequences [] total 23 [2019-11-22 10:08:22,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076619016] [2019-11-22 10:08:22,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-22 10:08:22,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:08:22,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-22 10:08:22,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2019-11-22 10:08:22,882 INFO L87 Difference]: Start difference. First operand 142 states and 144 transitions. Second operand 24 states. [2019-11-22 10:08:24,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:08:24,948 INFO L93 Difference]: Finished difference Result 152 states and 153 transitions. [2019-11-22 10:08:24,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-11-22 10:08:24,948 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 107 [2019-11-22 10:08:24,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:08:24,950 INFO L225 Difference]: With dead ends: 152 [2019-11-22 10:08:24,950 INFO L226 Difference]: Without dead ends: 152 [2019-11-22 10:08:24,951 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 181 SyntacticMatches, 10 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=829, Unknown=0, NotChecked=0, Total=930 [2019-11-22 10:08:24,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-22 10:08:24,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 140. [2019-11-22 10:08:24,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-22 10:08:24,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 142 transitions. [2019-11-22 10:08:24,955 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 142 transitions. Word has length 107 [2019-11-22 10:08:24,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:08:24,955 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 142 transitions. [2019-11-22 10:08:24,956 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-22 10:08:24,956 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 142 transitions. [2019-11-22 10:08:24,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-22 10:08:24,956 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:08:24,957 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:08:25,161 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:25,162 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:08:25,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:08:25,162 INFO L82 PathProgramCache]: Analyzing trace with hash -889618676, now seen corresponding path program 1 times [2019-11-22 10:08:25,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:08:25,163 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [970680369] [2019-11-22 10:08:25,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 26 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:08:25,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 52 conjunts are in the unsatisfiable core [2019-11-22 10:08:25,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:08:25,921 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:08:25,921 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:25,927 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:25,927 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:08:25,927 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 10:08:27,051 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:08:27,052 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:08:29,770 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:08:29,771 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [970680369] [2019-11-22 10:08:29,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:08:29,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23, 20] imperfect sequences [] total 42 [2019-11-22 10:08:29,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909790544] [2019-11-22 10:08:29,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-11-22 10:08:29,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:08:29,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-11-22 10:08:29,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1685, Unknown=0, NotChecked=0, Total=1806 [2019-11-22 10:08:29,773 INFO L87 Difference]: Start difference. First operand 140 states and 142 transitions. Second operand 43 states. [2019-11-22 10:08:35,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:08:35,667 INFO L93 Difference]: Finished difference Result 138 states and 140 transitions. [2019-11-22 10:08:35,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-11-22 10:08:35,668 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 107 [2019-11-22 10:08:35,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:08:35,669 INFO L225 Difference]: With dead ends: 138 [2019-11-22 10:08:35,669 INFO L226 Difference]: Without dead ends: 138 [2019-11-22 10:08:35,670 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 164 SyntacticMatches, 8 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=176, Invalid=2374, Unknown=0, NotChecked=0, Total=2550 [2019-11-22 10:08:35,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-22 10:08:35,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-11-22 10:08:35,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-22 10:08:35,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 140 transitions. [2019-11-22 10:08:35,674 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 140 transitions. Word has length 107 [2019-11-22 10:08:35,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:08:35,675 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 140 transitions. [2019-11-22 10:08:35,675 INFO L463 AbstractCegarLoop]: Interpolant automaton has 43 states. [2019-11-22 10:08:35,675 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 140 transitions. [2019-11-22 10:08:35,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-22 10:08:35,676 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:08:35,676 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:08:35,882 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:35,882 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:08:35,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:08:35,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1613444290, now seen corresponding path program 1 times [2019-11-22 10:08:35,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:08:35,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [329834864] [2019-11-22 10:08:35,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 27 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:08:36,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-22 10:08:36,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:08:36,835 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:08:36,835 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:08:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:08:37,005 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [329834864] [2019-11-22 10:08:37,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:08:37,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20, 19] imperfect sequences [] total 20 [2019-11-22 10:08:37,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800098134] [2019-11-22 10:08:37,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-22 10:08:37,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:08:37,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-22 10:08:37,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2019-11-22 10:08:37,007 INFO L87 Difference]: Start difference. First operand 138 states and 140 transitions. Second operand 21 states. [2019-11-22 10:08:38,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:08:38,639 INFO L93 Difference]: Finished difference Result 137 states and 139 transitions. [2019-11-22 10:08:38,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-22 10:08:38,640 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 110 [2019-11-22 10:08:38,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:08:38,641 INFO L225 Difference]: With dead ends: 137 [2019-11-22 10:08:38,641 INFO L226 Difference]: Without dead ends: 137 [2019-11-22 10:08:38,642 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 193 SyntacticMatches, 7 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=92, Invalid=664, Unknown=0, NotChecked=0, Total=756 [2019-11-22 10:08:38,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-22 10:08:38,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-22 10:08:38,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-22 10:08:38,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 139 transitions. [2019-11-22 10:08:38,646 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 139 transitions. Word has length 110 [2019-11-22 10:08:38,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:08:38,647 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 139 transitions. [2019-11-22 10:08:38,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-22 10:08:38,647 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 139 transitions. [2019-11-22 10:08:38,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-22 10:08:38,648 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:08:38,648 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:08:38,851 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:38,852 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:08:38,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:08:38,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1140166607, now seen corresponding path program 1 times [2019-11-22 10:08:38,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:08:38,853 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1720360081] [2019-11-22 10:08:38,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 28 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:08:39,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 133 conjunts are in the unsatisfiable core [2019-11-22 10:08:39,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:08:39,738 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-11-22 10:08:39,738 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:39,746 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:39,746 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:08:39,747 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2019-11-22 10:08:39,803 INFO L343 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2019-11-22 10:08:39,804 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2019-11-22 10:08:39,804 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:39,820 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:39,821 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:08:39,821 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2019-11-22 10:08:39,927 INFO L343 Elim1Store]: treesize reduction 60, result has 22.1 percent of original size [2019-11-22 10:08:39,928 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 38 [2019-11-22 10:08:39,928 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:39,948 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:39,948 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:08:39,949 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2019-11-22 10:08:40,153 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2019-11-22 10:08:40,155 INFO L343 Elim1Store]: treesize reduction 32, result has 77.5 percent of original size [2019-11-22 10:08:40,156 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 137 [2019-11-22 10:08:40,156 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:40,239 INFO L567 ElimStorePlain]: treesize reduction 84, result has 35.9 percent of original size [2019-11-22 10:08:40,239 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:08:40,240 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:47 [2019-11-22 10:09:17,165 WARN L192 SmtUtils]: Spent 36.85 s on a formula simplification. DAG size of input: 73 DAG size of output: 56 [2019-11-22 10:09:17,166 INFO L343 Elim1Store]: treesize reduction 65, result has 70.7 percent of original size [2019-11-22 10:09:17,166 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 189 [2019-11-22 10:09:17,168 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:09:19,318 WARN L192 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2019-11-22 10:09:19,319 INFO L567 ElimStorePlain]: treesize reduction 148, result has 28.5 percent of original size [2019-11-22 10:09:19,319 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:09:19,319 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2019-11-22 10:09:19,520 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 28 [2019-11-22 10:09:19,521 INFO L343 Elim1Store]: treesize reduction 246, result has 15.2 percent of original size [2019-11-22 10:09:19,521 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 80 [2019-11-22 10:09:19,522 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:09:19,561 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:09:19,561 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:09:19,561 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2019-11-22 10:09:20,048 WARN L192 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 69 [2019-11-22 10:09:20,048 INFO L343 Elim1Store]: treesize reduction 170, result has 57.2 percent of original size [2019-11-22 10:09:20,049 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 81 treesize of output 269 [2019-11-22 10:09:20,049 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:09:22,304 WARN L192 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2019-11-22 10:09:22,304 INFO L567 ElimStorePlain]: treesize reduction 174, result has 32.0 percent of original size [2019-11-22 10:09:22,304 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:09:22,304 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:82 [2019-11-22 10:10:36,539 WARN L192 SmtUtils]: Spent 1.24 m on a formula simplification. DAG size of input: 163 DAG size of output: 98 [2019-11-22 10:10:36,540 INFO L343 Elim1Store]: treesize reduction 203, result has 60.7 percent of original size [2019-11-22 10:10:36,540 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 93 treesize of output 360 [2019-11-22 10:10:36,541 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:10:38,896 WARN L192 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 83 DAG size of output: 41 [2019-11-22 10:10:38,897 INFO L567 ElimStorePlain]: treesize reduction 304, result has 23.2 percent of original size [2019-11-22 10:10:38,897 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:10:38,898 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:96, output treesize:92 [2019-11-22 10:10:39,338 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 43 [2019-11-22 10:10:39,341 INFO L343 Elim1Store]: treesize reduction 540, result has 11.6 percent of original size [2019-11-22 10:10:39,341 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 102 treesize of output 122 [2019-11-22 10:10:39,342 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:10:39,428 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:10:39,428 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:10:39,429 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:107, output treesize:103 [2019-11-22 10:10:40,521 WARN L192 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 99 [2019-11-22 10:10:40,522 INFO L343 Elim1Store]: treesize reduction 416, result has 45.3 percent of original size [2019-11-22 10:10:40,522 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 114 treesize of output 401 [2019-11-22 10:10:40,524 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:10:40,844 WARN L192 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 49 [2019-11-22 10:10:40,844 INFO L567 ElimStorePlain]: treesize reduction 264, result has 30.0 percent of original size [2019-11-22 10:10:40,845 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:10:40,845 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:113 [2019-11-22 10:10:41,518 WARN L192 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 53 [2019-11-22 10:10:41,519 INFO L343 Elim1Store]: treesize reduction 796, result has 10.1 percent of original size [2019-11-22 10:10:41,519 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 55 case distinctions, treesize of input 124 treesize of output 150 [2019-11-22 10:10:41,521 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:10:41,602 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:10:41,602 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:10:41,602 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:129, output treesize:125 [2019-11-22 10:10:43,144 WARN L192 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 339 DAG size of output: 119 [2019-11-22 10:10:43,145 INFO L343 Elim1Store]: treesize reduction 640, result has 39.7 percent of original size [2019-11-22 10:10:43,146 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 136 treesize of output 489 [2019-11-22 10:10:43,148 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:10:43,613 WARN L192 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 57 [2019-11-22 10:10:43,614 INFO L567 ElimStorePlain]: treesize reduction 324, result has 29.4 percent of original size [2019-11-22 10:10:43,614 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:10:43,614 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:139, output treesize:135 [2019-11-22 10:13:00,705 WARN L192 SmtUtils]: Spent 2.28 m on a formula simplification. DAG size of input: 393 DAG size of output: 168 [2019-11-22 10:13:00,706 INFO L343 Elim1Store]: treesize reduction 673, result has 46.0 percent of original size [2019-11-22 10:13:00,706 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 78 case distinctions, treesize of input 148 treesize of output 645 [2019-11-22 10:13:00,709 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:13:01,247 WARN L192 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 61 [2019-11-22 10:13:01,248 INFO L567 ElimStorePlain]: treesize reduction 564, result has 20.7 percent of original size [2019-11-22 10:13:01,248 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:13:01,248 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:151, output treesize:147 [2019-11-22 10:13:01,510 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-11-22 10:13:02,428 WARN L192 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 68 [2019-11-22 10:13:02,429 INFO L343 Elim1Store]: treesize reduction 1270, result has 8.4 percent of original size [2019-11-22 10:13:02,429 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 91 case distinctions, treesize of input 157 treesize of output 192 [2019-11-22 10:13:02,430 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:13:02,550 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-22 10:13:02,551 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:02,551 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:13:02,552 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:162, output treesize:158 [2019-11-22 10:13:02,853 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-22 10:13:03,927 WARN L192 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 512 DAG size of output: 73 [2019-11-22 10:13:03,928 INFO L343 Elim1Store]: treesize reduction 1452, result has 7.9 percent of original size [2019-11-22 10:13:03,928 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 105 case distinctions, treesize of input 168 treesize of output 206 [2019-11-22 10:13:03,930 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:13:04,074 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-22 10:13:04,075 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:04,075 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:13:04,076 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:173, output treesize:169 [2019-11-22 10:13:04,408 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-22 10:13:05,604 WARN L192 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 578 DAG size of output: 78 [2019-11-22 10:13:05,605 INFO L343 Elim1Store]: treesize reduction 1646, result has 7.5 percent of original size [2019-11-22 10:13:05,605 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 120 case distinctions, treesize of input 179 treesize of output 220 [2019-11-22 10:13:05,606 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:13:05,749 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-22 10:13:05,749 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:05,749 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:13:05,750 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:179, output treesize:175 [2019-11-22 10:13:06,171 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-22 10:13:08,390 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:13:08,440 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:08,441 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:13:08,441 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:61, output treesize:76 [2019-11-22 10:13:10,449 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse2 (select |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_internal_#in~kobj.base|))) (let ((.cse0 (store .cse2 (bvadd |c_ldv_kobject_init_internal_#in~kobj.offset| (_ bv13 32)) v_DerPreprocessor_1)) (.cse3 (bvadd |c_ldv_kobject_init_internal_#in~kobj.offset| (_ bv12 32)))) (let ((.cse4 (select .cse0 .cse3))) (and (= (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_internal_#in~kobj.base| (let ((.cse1 (bvadd |c_ldv_kobject_init_internal_#in~kobj.offset| (_ bv4 32)))) (store (store .cse0 .cse1 .cse1) (bvadd |c_ldv_kobject_init_internal_#in~kobj.offset| (_ bv8 32)) .cse1))) |c_#memory_$Pointer$.offset|) (= (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_internal_#in~kobj.base| .cse0) (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_internal_#in~kobj.base| (store .cse2 .cse3 .cse4))) (= v_DerPreprocessor_1 .cse4)))))) is different from true [2019-11-22 10:13:12,460 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse3 (select |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_#in~kobj.base|))) (let ((.cse1 (store .cse3 (bvadd |c_ldv_kobject_init_#in~kobj.offset| (_ bv13 32)) v_DerPreprocessor_1)) (.cse4 (bvadd |c_ldv_kobject_init_#in~kobj.offset| (_ bv12 32)))) (let ((.cse0 (select .cse1 .cse4))) (and (= v_DerPreprocessor_1 .cse0) (= (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_#in~kobj.base| (let ((.cse2 (bvadd |c_ldv_kobject_init_#in~kobj.offset| (_ bv4 32)))) (store (store .cse1 .cse2 .cse2) (bvadd |c_ldv_kobject_init_#in~kobj.offset| (_ bv8 32)) .cse2))) |c_#memory_$Pointer$.offset|) (= (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_#in~kobj.base| .cse1) (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_#in~kobj.base| (store .cse3 .cse4 .cse0)))))))) is different from true [2019-11-22 10:13:12,477 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 179 [2019-11-22 10:13:12,480 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,482 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,483 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,484 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,485 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,486 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,487 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,488 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,488 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,489 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,490 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,490 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,491 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,492 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,493 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,494 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,495 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,496 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,497 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,498 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,504 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,521 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,521 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,523 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,524 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,524 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,525 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,530 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,531 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,532 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,534 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,536 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,537 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,537 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,539 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,539 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,541 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,541 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,549 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,550 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,552 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,554 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,555 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,556 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,557 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,559 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,566 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,570 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,571 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,572 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,573 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,574 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,575 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,576 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,578 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,581 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,582 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,582 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,585 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,586 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,587 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,587 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,588 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,590 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,591 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,591 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,592 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,593 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,593 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,595 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,595 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,596 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,596 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,597 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,599 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,600 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,600 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,601 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,602 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,602 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,603 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,604 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,604 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,605 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,613 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,615 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,616 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,617 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,619 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,620 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,620 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,635 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,643 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,644 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,645 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,646 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,646 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,647 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,648 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,649 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,650 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,651 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,651 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,652 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,653 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,653 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,654 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,655 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,655 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,656 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,657 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,659 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,664 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,666 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,667 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,668 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,669 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,670 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,671 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,672 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,673 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,674 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,675 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,676 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,677 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,678 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,678 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,679 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,680 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,680 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,682 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,683 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,684 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,685 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,686 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,686 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,687 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,689 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,690 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,690 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,691 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,692 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,692 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,693 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,694 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,694 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,696 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,697 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,707 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,708 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,709 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,710 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,711 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,712 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,713 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,714 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,715 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,717 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,718 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,718 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,720 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,721 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,722 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,724 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,725 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,725 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,726 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,727 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,729 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,730 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,731 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,732 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,735 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,737 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,738 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,739 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,740 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,741 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,741 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,743 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,744 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,749 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,749 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,750 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,752 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:12,752 INFO L237 Elim1Store]: Index analysis took 137 ms [2019-11-22 10:13:12,761 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 349 [2019-11-22 10:13:12,763 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 10:13:13,340 WARN L192 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2019-11-22 10:13:13,341 INFO L567 ElimStorePlain]: treesize reduction 3, result has 99.1 percent of original size [2019-11-22 10:13:13,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,355 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,355 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,357 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,358 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,361 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,363 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,365 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,366 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,368 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,369 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,373 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,374 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,375 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,376 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,376 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,377 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,379 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,380 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,382 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,383 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,384 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,386 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,387 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,388 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,390 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,391 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,393 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,399 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,401 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,402 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,403 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,404 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,410 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,412 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,413 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,415 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,416 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,418 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,419 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,420 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,422 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,423 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,424 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,426 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,427 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,428 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,430 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,431 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,433 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,434 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,435 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,437 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,438 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,439 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,441 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,442 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,443 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,445 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,446 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,447 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,449 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,450 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,452 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,453 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,454 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,456 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,457 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,458 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,460 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,461 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,462 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,464 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,465 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,467 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,468 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,469 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,471 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,472 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,473 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,475 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,476 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,478 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,479 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,480 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,482 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,483 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,484 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,486 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,487 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,489 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,490 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,491 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,493 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,494 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,495 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,497 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,498 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,500 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,501 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,504 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,506 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,508 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,521 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:13,522 INFO L237 Elim1Store]: Index analysis took 171 ms [2019-11-22 10:13:13,525 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 112 [2019-11-22 10:13:13,526 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-22 10:13:13,669 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-22 10:13:13,669 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:13,670 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:13:13,750 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:13,751 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:13:13,751 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:221, output treesize:150 [2019-11-22 10:13:16,775 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-22 10:13:16,776 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:16,777 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:16,778 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:16,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:16,780 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:16,781 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:16,782 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:16,783 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:16,783 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:16,784 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:16,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:16,786 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:16,787 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:16,788 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:16,789 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:13:16,797 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:16,798 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 134 treesize of output 184 [2019-11-22 10:13:16,799 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:13:16,928 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-11-22 10:13:16,928 INFO L567 ElimStorePlain]: treesize reduction 15, result has 89.1 percent of original size [2019-11-22 10:13:16,929 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:13:16,929 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:137, output treesize:122 [2019-11-22 10:13:20,180 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:20,181 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 128 treesize of output 154 [2019-11-22 10:13:20,182 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:13:20,226 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:20,227 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:13:20,227 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:128, output treesize:106 [2019-11-22 10:13:23,145 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-11-22 10:13:23,146 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:23,147 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 115 treesize of output 171 [2019-11-22 10:13:23,152 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:13:23,252 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:23,252 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:13:23,252 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:115, output treesize:121 [2019-11-22 10:13:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:13:24,355 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:13:26,753 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:13:26,756 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:26,756 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:13:26,756 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:10 [2019-11-22 10:13:27,457 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:13:27,466 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:27,467 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:13:27,467 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:27 [2019-11-22 10:13:30,680 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:13:30,688 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:30,689 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-22 10:13:30,689 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:33 [2019-11-22 10:13:31,848 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:13:31,852 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:13:31,901 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:31,902 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-11-22 10:13:31,902 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:109 [2019-11-22 10:13:33,656 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2019-11-22 10:13:33,658 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:13:33,866 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:13:33,868 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-22 10:13:33,875 INFO L168 Benchmark]: Toolchain (without parser) took 364022.96 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 406.3 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -189.5 MB). Peak memory consumption was 216.9 MB. Max. memory is 11.5 GB. [2019-11-22 10:13:33,875 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 10:13:33,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 906.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -121.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-22 10:13:33,876 INFO L168 Benchmark]: Boogie Preprocessor took 116.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-22 10:13:33,876 INFO L168 Benchmark]: RCFGBuilder took 1526.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 961.9 MB in the end (delta: 104.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 11.5 GB. [2019-11-22 10:13:33,877 INFO L168 Benchmark]: TraceAbstraction took 361470.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 280.5 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. [2019-11-22 10:13:33,879 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 906.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -121.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1526.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 961.9 MB in the end (delta: 104.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 361470.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 280.5 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...