./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test13.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_test13.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 65783c8b5c308b32e8e861af3d85fa2b2af2c07c ..................................................................................................................................... Execution finished normally 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 -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_test13.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 65783c8b5c308b32e8e861af3d85fa2b2af2c07c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: HoareTripleChecker results differ between SdHoareTripleChecker (result: INVALID) and MonolithicHoareTripleChecker (result: VALID) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-09-13 23:45:30,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-13 23:45:30,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-13 23:45:30,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-13 23:45:30,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-13 23:45:30,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-13 23:45:30,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-13 23:45:30,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-13 23:45:30,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-13 23:45:30,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-13 23:45:30,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-13 23:45:30,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-13 23:45:30,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-13 23:45:30,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-13 23:45:30,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-13 23:45:30,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-13 23:45:30,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-13 23:45:30,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-13 23:45:30,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-13 23:45:30,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-13 23:45:30,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-13 23:45:30,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-13 23:45:30,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-13 23:45:30,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-13 23:45:30,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-13 23:45:30,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-13 23:45:30,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-13 23:45:30,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-13 23:45:30,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-13 23:45:30,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-13 23:45:30,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-13 23:45:30,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-13 23:45:30,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-13 23:45:30,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-13 23:45:30,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-13 23:45:30,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-13 23:45:30,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-13 23:45:30,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-13 23:45:30,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-13 23:45:30,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-13 23:45:30,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-13 23:45:30,760 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-09-13 23:45:30,796 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-13 23:45:30,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-13 23:45:30,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-13 23:45:30,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-13 23:45:30,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-13 23:45:30,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-13 23:45:30,800 INFO L138 SettingsManager]: * Use SBE=true [2021-09-13 23:45:30,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-13 23:45:30,800 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-13 23:45:30,800 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-09-13 23:45:30,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-09-13 23:45:30,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-13 23:45:30,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-13 23:45:30,802 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-09-13 23:45:30,802 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-09-13 23:45:30,812 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-09-13 23:45:30,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-13 23:45:30,813 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-09-13 23:45:30,813 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-13 23:45:30,813 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-13 23:45:30,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-13 23:45:30,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-13 23:45:30,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-13 23:45:30,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-13 23:45:30,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-13 23:45:30,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-13 23:45:30,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-09-13 23:45:30,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-09-13 23:45:30,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-13 23:45:30,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65783c8b5c308b32e8e861af3d85fa2b2af2c07c [2021-09-13 23:45:31,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-13 23:45:31,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-13 23:45:31,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-13 23:45:31,121 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-13 23:45:31,121 INFO L275 PluginConnector]: CDTParser initialized [2021-09-13 23:45:31,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test13.i [2021-09-13 23:45:31,179 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b98874b11/5938a7058a2a4dd187cf014da55f7dc6/FLAGbca1a2dfa [2021-09-13 23:45:31,724 INFO L306 CDTParser]: Found 1 translation units. [2021-09-13 23:45:31,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test13.i [2021-09-13 23:45:31,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b98874b11/5938a7058a2a4dd187cf014da55f7dc6/FLAGbca1a2dfa [2021-09-13 23:45:32,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b98874b11/5938a7058a2a4dd187cf014da55f7dc6 [2021-09-13 23:45:32,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-13 23:45:32,185 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-09-13 23:45:32,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-13 23:45:32,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-13 23:45:32,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-13 23:45:32,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 11:45:32" (1/1) ... [2021-09-13 23:45:32,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb5138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 11:45:32, skipping insertion in model container [2021-09-13 23:45:32,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 11:45:32" (1/1) ... [2021-09-13 23:45:32,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-13 23:45:32,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-13 23:45:32,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-13 23:45:32,641 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-09-13 23:45:32,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f5b7e01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 11:45:32, skipping insertion in model container [2021-09-13 23:45:32,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-13 23:45:32,643 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-09-13 23:45:32,645 INFO L158 Benchmark]: Toolchain (without parser) took 459.48ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 42.5MB in the end (delta: 721.0kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-09-13 23:45:32,646 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory was 46.8MB in the beginning and 46.7MB in the end (delta: 92.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-09-13 23:45:32,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.10ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 42.5MB in the end (delta: 559.2kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-09-13 23:45:32,649 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory was 46.8MB in the beginning and 46.7MB in the end (delta: 92.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.10ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 42.5MB in the end (delta: 559.2kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-09-13 23:45:34,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-13 23:45:34,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-13 23:45:34,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-13 23:45:34,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-13 23:45:34,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-13 23:45:34,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-13 23:45:34,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-13 23:45:34,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-13 23:45:34,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-13 23:45:34,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-13 23:45:34,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-13 23:45:34,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-13 23:45:34,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-13 23:45:34,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-13 23:45:34,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-13 23:45:34,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-13 23:45:34,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-13 23:45:34,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-13 23:45:34,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-13 23:45:34,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-13 23:45:34,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-13 23:45:34,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-13 23:45:34,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-13 23:45:34,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-13 23:45:34,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-13 23:45:34,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-13 23:45:34,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-13 23:45:34,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-13 23:45:34,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-13 23:45:34,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-13 23:45:34,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-13 23:45:34,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-13 23:45:34,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-13 23:45:34,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-13 23:45:34,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-13 23:45:34,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-13 23:45:34,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-13 23:45:34,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-13 23:45:34,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-13 23:45:34,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-13 23:45:34,465 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-09-13 23:45:34,499 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-13 23:45:34,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-13 23:45:34,501 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-13 23:45:34,501 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-13 23:45:34,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-13 23:45:34,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-13 23:45:34,503 INFO L138 SettingsManager]: * Use SBE=true [2021-09-13 23:45:34,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-13 23:45:34,504 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-13 23:45:34,504 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-09-13 23:45:34,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-09-13 23:45:34,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-13 23:45:34,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-13 23:45:34,505 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-09-13 23:45:34,506 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-09-13 23:45:34,506 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-09-13 23:45:34,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-13 23:45:34,506 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-09-13 23:45:34,506 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-09-13 23:45:34,506 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-09-13 23:45:34,507 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-13 23:45:34,507 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-13 23:45:34,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-13 23:45:34,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-13 23:45:34,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-13 23:45:34,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-13 23:45:34,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-13 23:45:34,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-13 23:45:34,508 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-09-13 23:45:34,508 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-09-13 23:45:34,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-13 23:45:34,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-09-13 23:45:34,509 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65783c8b5c308b32e8e861af3d85fa2b2af2c07c [2021-09-13 23:45:34,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-13 23:45:34,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-13 23:45:34,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-13 23:45:34,871 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-13 23:45:34,872 INFO L275 PluginConnector]: CDTParser initialized [2021-09-13 23:45:34,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test13.i [2021-09-13 23:45:34,937 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c821b49f/71b8d3e4438f4710896c889fb4fd4d11/FLAGc9cb677b5 [2021-09-13 23:45:35,491 INFO L306 CDTParser]: Found 1 translation units. [2021-09-13 23:45:35,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test13.i [2021-09-13 23:45:35,504 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c821b49f/71b8d3e4438f4710896c889fb4fd4d11/FLAGc9cb677b5 [2021-09-13 23:45:35,954 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c821b49f/71b8d3e4438f4710896c889fb4fd4d11 [2021-09-13 23:45:35,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-13 23:45:35,958 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-09-13 23:45:35,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-13 23:45:35,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-13 23:45:35,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-13 23:45:35,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 11:45:35" (1/1) ... [2021-09-13 23:45:35,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c3a285d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 11:45:35, skipping insertion in model container [2021-09-13 23:45:35,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 11:45:35" (1/1) ... [2021-09-13 23:45:35,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-13 23:45:36,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-13 23:45:36,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-13 23:45:36,518 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-09-13 23:45:36,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-13 23:45:36,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-13 23:45:36,618 INFO L203 MainTranslator]: Completed pre-run [2021-09-13 23:45:36,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-13 23:45:36,751 INFO L208 MainTranslator]: Completed translation [2021-09-13 23:45:36,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 11:45:36 WrapperNode [2021-09-13 23:45:36,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-13 23:45:36,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-09-13 23:45:36,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-09-13 23:45:36,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-09-13 23:45:36,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 11:45:36" (1/1) ... [2021-09-13 23:45:36,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 11:45:36" (1/1) ... [2021-09-13 23:45:36,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 11:45:36" (1/1) ... [2021-09-13 23:45:36,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 11:45:36" (1/1) ... [2021-09-13 23:45:36,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 11:45:36" (1/1) ... [2021-09-13 23:45:36,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 11:45:36" (1/1) ... [2021-09-13 23:45:36,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 11:45:36" (1/1) ... [2021-09-13 23:45:36,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-09-13 23:45:36,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-09-13 23:45:36,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-09-13 23:45:36,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-09-13 23:45:36,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 11:45:36" (1/1) ... [2021-09-13 23:45:36,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-13 23:45:36,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-09-13 23:45:36,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-09-13 23:45:36,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-09-13 23:45:36,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-09-13 23:45:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-09-13 23:45:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-09-13 23:45:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-09-13 23:45:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-09-13 23:45:36,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-09-13 23:45:36,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-09-13 23:45:36,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-09-13 23:45:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-09-13 23:45:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-09-13 23:45:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-09-13 23:45:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-09-13 23:45:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-09-13 23:45:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-09-13 23:45:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-09-13 23:45:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-09-13 23:45:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-09-13 23:45:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-09-13 23:45:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-09-13 23:45:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-09-13 23:45:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-09-13 23:45:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-09-13 23:45:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-09-13 23:45:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-09-13 23:45:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-09-13 23:45:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-09-13 23:45:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-09-13 23:45:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-09-13 23:45:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-09-13 23:45:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-09-13 23:45:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-09-13 23:45:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-09-13 23:45:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-09-13 23:45:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-09-13 23:45:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-09-13 23:45:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-09-13 23:45:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-09-13 23:45:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-09-13 23:45:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-09-13 23:45:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-09-13 23:45:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-09-13 23:45:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-09-13 23:45:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_13 [2021-09-13 23:45:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure free_13 [2021-09-13 23:45:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-09-13 23:45:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-09-13 23:45:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-09-13 23:45:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-09-13 23:45:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-09-13 23:45:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-09-13 23:45:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-09-13 23:45:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-09-13 23:45:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-09-13 23:45:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-09-13 23:45:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-09-13 23:45:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-09-13 23:45:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-09-13 23:45:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-09-13 23:45:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-09-13 23:45:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-09-13 23:45:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-09-13 23:45:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-09-13 23:45:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-09-13 23:45:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-09-13 23:45:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-09-13 23:45:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-09-13 23:45:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-09-13 23:45:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-09-13 23:45:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-09-13 23:45:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-09-13 23:45:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-09-13 23:45:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-09-13 23:45:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-09-13 23:45:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-09-13 23:45:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-09-13 23:45:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-09-13 23:45:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-09-13 23:45:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-09-13 23:45:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-09-13 23:45:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-09-13 23:45:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-09-13 23:45:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-09-13 23:45:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-09-13 23:45:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-09-13 23:45:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-09-13 23:45:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-09-13 23:45:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-09-13 23:45:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-09-13 23:45:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-09-13 23:45:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-09-13 23:45:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-09-13 23:45:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-09-13 23:45:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-09-13 23:45:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-09-13 23:45:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-09-13 23:45:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-09-13 23:45:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-09-13 23:45:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-09-13 23:45:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-09-13 23:45:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-09-13 23:45:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-09-13 23:45:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-09-13 23:45:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-09-13 23:45:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-09-13 23:45:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-09-13 23:45:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-09-13 23:45:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-09-13 23:45:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-09-13 23:45:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-09-13 23:45:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-09-13 23:45:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-09-13 23:45:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-09-13 23:45:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-09-13 23:45:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-09-13 23:45:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-09-13 23:45:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-09-13 23:45:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-09-13 23:45:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-09-13 23:45:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-09-13 23:45:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-09-13 23:45:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-09-13 23:45:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-09-13 23:45:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-09-13 23:45:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-09-13 23:45:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-09-13 23:45:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-09-13 23:45:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-09-13 23:45:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-09-13 23:45:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-09-13 23:45:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-09-13 23:45:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-09-13 23:45:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-09-13 23:45:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-09-13 23:45:36,982 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-09-13 23:45:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-09-13 23:45:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-09-13 23:45:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-09-13 23:45:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-09-13 23:45:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-09-13 23:45:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-09-13 23:45:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-09-13 23:45:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-09-13 23:45:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-09-13 23:45:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-09-13 23:45:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-09-13 23:45:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-09-13 23:45:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-09-13 23:45:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-09-13 23:45:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-09-13 23:45:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-09-13 23:45:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-09-13 23:45:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-09-13 23:45:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-09-13 23:45:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-09-13 23:45:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-09-13 23:45:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-09-13 23:45:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-09-13 23:45:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-09-13 23:45:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-09-13 23:45:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-09-13 23:45:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-09-13 23:45:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-09-13 23:45:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-09-13 23:45:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-09-13 23:45:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-09-13 23:45:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-09-13 23:45:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-09-13 23:45:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-09-13 23:45:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-09-13 23:45:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-09-13 23:45:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-09-13 23:45:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-09-13 23:45:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-09-13 23:45:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-09-13 23:45:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-09-13 23:45:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-09-13 23:45:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-09-13 23:45:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-09-13 23:45:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-09-13 23:45:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-09-13 23:45:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-09-13 23:45:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-09-13 23:45:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-09-13 23:45:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-09-13 23:45:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-09-13 23:45:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-09-13 23:45:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-09-13 23:45:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-09-13 23:45:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-09-13 23:45:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-09-13 23:45:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-09-13 23:45:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-09-13 23:45:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-09-13 23:45:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-09-13 23:45:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-09-13 23:45:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-09-13 23:45:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-09-13 23:45:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-09-13 23:45:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-09-13 23:45:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-09-13 23:45:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-09-13 23:45:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-09-13 23:45:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-09-13 23:45:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_13 [2021-09-13 23:45:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure free_13 [2021-09-13 23:45:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-09-13 23:45:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-09-13 23:45:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-09-13 23:45:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-09-13 23:45:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-09-13 23:45:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-09-13 23:45:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-09-13 23:45:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-09-13 23:45:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-09-13 23:45:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-09-13 23:45:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-09-13 23:45:37,605 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-09-13 23:45:37,841 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-09-13 23:45:37,915 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-09-13 23:45:37,916 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-09-13 23:45:37,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 11:45:37 BoogieIcfgContainer [2021-09-13 23:45:37,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-09-13 23:45:37,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-09-13 23:45:37,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-09-13 23:45:37,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-09-13 23:45:37,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.09 11:45:35" (1/3) ... [2021-09-13 23:45:37,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75fcc4e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 11:45:37, skipping insertion in model container [2021-09-13 23:45:37,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 11:45:36" (2/3) ... [2021-09-13 23:45:37,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75fcc4e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 11:45:37, skipping insertion in model container [2021-09-13 23:45:37,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 11:45:37" (3/3) ... [2021-09-13 23:45:37,924 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test13.i [2021-09-13 23:45:37,927 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-09-13 23:45:37,928 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 80 error locations. [2021-09-13 23:45:37,958 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-09-13 23:45:37,963 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-09-13 23:45:37,963 INFO L340 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2021-09-13 23:45:37,981 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 102 states have (on average 1.6568627450980393) internal successors, (169), 159 states have internal predecessors, (169), 20 states have call successors, (20), 17 states have call predecessors, (20), 17 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2021-09-13 23:45:37,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-09-13 23:45:37,987 INFO L505 BasicCegarLoop]: Found error trace [2021-09-13 23:45:37,987 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-13 23:45:37,988 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_list_addErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 76 more)] === [2021-09-13 23:45:37,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-13 23:45:37,992 INFO L82 PathProgramCache]: Analyzing trace with hash -220063910, now seen corresponding path program 1 times [2021-09-13 23:45:38,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-09-13 23:45:38,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731616910] [2021-09-13 23:45:38,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 23:45:38,002 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-09-13 23:45:38,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-09-13 23:45:38,006 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-09-13 23:45:38,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-09-13 23:45:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 23:45:38,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 13 conjunts are in the unsatisfiable core [2021-09-13 23:45:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 23:45:38,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-09-13 23:45:38,363 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-09-13 23:45:38,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 26 [2021-09-13 23:45:38,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-09-13 23:45:38,739 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-09-13 23:45:38,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 20 [2021-09-13 23:45:38,849 INFO L264 TraceCheckUtils]: 0: Hoare triple {201#true} call ULTIMATE.init(); {201#true} is VALID [2021-09-13 23:45:38,853 INFO L281 TraceCheckUtils]: 1: Hoare triple {201#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32);call ~#global_list_13~0.base, ~#global_list_13~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#global_list_13~0.base, ~#global_list_13~0.offset, ~#global_list_13~0.base, ~#global_list_13~0.offset, 4bv32);call write~init~$Pointer$(~#global_list_13~0.base, ~#global_list_13~0.offset, ~#global_list_13~0.base, ~bvadd32(4bv32, ~#global_list_13~0.offset), 4bv32); {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:38,854 INFO L281 TraceCheckUtils]: 2: Hoare triple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} assume true; {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:38,855 INFO L276 TraceCheckUtils]: 3: Hoare quadruple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} {201#true} #491#return; {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:38,856 INFO L264 TraceCheckUtils]: 4: Hoare triple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} call main(); {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:38,857 INFO L264 TraceCheckUtils]: 5: Hoare triple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} call entry_point(); {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:38,857 INFO L264 TraceCheckUtils]: 6: Hoare triple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} call alloc_13(); {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:38,858 INFO L264 TraceCheckUtils]: 7: Hoare triple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} call #t~ret38.base, #t~ret38.offset := ldv_malloc(12bv32); {228#(= |old(#valid)| |#valid|)} is VALID [2021-09-13 23:45:38,859 INFO L281 TraceCheckUtils]: 8: Hoare triple {228#(= |old(#valid)| |#valid|)} ~size := #in~size; {228#(= |old(#valid)| |#valid|)} is VALID [2021-09-13 23:45:38,860 INFO L281 TraceCheckUtils]: 9: Hoare triple {228#(= |old(#valid)| |#valid|)} assume 0bv32 != #t~nondet11;havoc #t~nondet11;call #t~malloc12.base, #t~malloc12.offset := #Ultimate.allocOnHeap(~size);#res.base, #res.offset := #t~malloc12.base, #t~malloc12.offset;havoc #t~malloc12.base, #t~malloc12.offset; {235#(exists ((|ldv_malloc_#res.base| (_ BitVec 32))) (= (store |old(#valid)| |ldv_malloc_#res.base| (_ bv1 1)) |#valid|))} is VALID [2021-09-13 23:45:38,861 INFO L281 TraceCheckUtils]: 10: Hoare triple {235#(exists ((|ldv_malloc_#res.base| (_ BitVec 32))) (= (store |old(#valid)| |ldv_malloc_#res.base| (_ bv1 1)) |#valid|))} assume true; {235#(exists ((|ldv_malloc_#res.base| (_ BitVec 32))) (= (store |old(#valid)| |ldv_malloc_#res.base| (_ bv1 1)) |#valid|))} is VALID [2021-09-13 23:45:38,864 INFO L276 TraceCheckUtils]: 11: Hoare quadruple {235#(exists ((|ldv_malloc_#res.base| (_ BitVec 32))) (= (store |old(#valid)| |ldv_malloc_#res.base| (_ bv1 1)) |#valid|))} {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} #445#return; {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:38,864 INFO L281 TraceCheckUtils]: 12: Hoare triple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} ~p~0.base, ~p~0.offset := #t~ret38.base, #t~ret38.offset;havoc #t~ret38.base, #t~ret38.offset; {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:38,865 INFO L281 TraceCheckUtils]: 13: Hoare triple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} assume ~p~0.base != 0bv32 || ~p~0.offset != 0bv32; {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:38,866 INFO L264 TraceCheckUtils]: 14: Hoare triple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} call ldv_list_add(~p~0.base, ~bvadd32(4bv32, ~p~0.offset), ~#global_list_13~0.base, ~#global_list_13~0.offset); {251#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |ldv_list_add_#in~head.base|)))} is VALID [2021-09-13 23:45:38,867 INFO L281 TraceCheckUtils]: 15: Hoare triple {251#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |ldv_list_add_#in~head.base|)))} ~new.base, ~new.offset := #in~new.base, #in~new.offset;~head.base, ~head.offset := #in~head.base, #in~head.offset; {255#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| ldv_list_add_~head.base)))} is VALID [2021-09-13 23:45:38,868 INFO L281 TraceCheckUtils]: 16: Hoare triple {255#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| ldv_list_add_~head.base)))} assume !(1bv1 == #valid[~head.base]); {202#false} is VALID [2021-09-13 23:45:38,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 23:45:38,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-09-13 23:45:39,273 INFO L281 TraceCheckUtils]: 16: Hoare triple {255#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| ldv_list_add_~head.base)))} assume !(1bv1 == #valid[~head.base]); {202#false} is VALID [2021-09-13 23:45:39,274 INFO L281 TraceCheckUtils]: 15: Hoare triple {251#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |ldv_list_add_#in~head.base|)))} ~new.base, ~new.offset := #in~new.base, #in~new.offset;~head.base, ~head.offset := #in~head.base, #in~head.offset; {255#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| ldv_list_add_~head.base)))} is VALID [2021-09-13 23:45:39,275 INFO L264 TraceCheckUtils]: 14: Hoare triple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} call ldv_list_add(~p~0.base, ~bvadd32(4bv32, ~p~0.offset), ~#global_list_13~0.base, ~#global_list_13~0.offset); {251#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |ldv_list_add_#in~head.base|)))} is VALID [2021-09-13 23:45:39,276 INFO L281 TraceCheckUtils]: 13: Hoare triple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} assume ~p~0.base != 0bv32 || ~p~0.offset != 0bv32; {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:39,276 INFO L281 TraceCheckUtils]: 12: Hoare triple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} ~p~0.base, ~p~0.offset := #t~ret38.base, #t~ret38.offset;havoc #t~ret38.base, #t~ret38.offset; {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:39,277 INFO L276 TraceCheckUtils]: 11: Hoare quadruple {277#(or (not (= (_ bv0 1) (bvadd (_ bv1 1) (select |old(#valid)| |~#global_list_13~0.base|)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))))} {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} #445#return; {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:39,278 INFO L281 TraceCheckUtils]: 10: Hoare triple {277#(or (not (= (_ bv0 1) (bvadd (_ bv1 1) (select |old(#valid)| |~#global_list_13~0.base|)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))))} assume true; {277#(or (not (= (_ bv0 1) (bvadd (_ bv1 1) (select |old(#valid)| |~#global_list_13~0.base|)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))))} is VALID [2021-09-13 23:45:39,279 INFO L281 TraceCheckUtils]: 9: Hoare triple {277#(or (not (= (_ bv0 1) (bvadd (_ bv1 1) (select |old(#valid)| |~#global_list_13~0.base|)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))))} assume 0bv32 != #t~nondet11;havoc #t~nondet11;call #t~malloc12.base, #t~malloc12.offset := #Ultimate.allocOnHeap(~size);#res.base, #res.offset := #t~malloc12.base, #t~malloc12.offset;havoc #t~malloc12.base, #t~malloc12.offset; {277#(or (not (= (_ bv0 1) (bvadd (_ bv1 1) (select |old(#valid)| |~#global_list_13~0.base|)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))))} is VALID [2021-09-13 23:45:39,280 INFO L281 TraceCheckUtils]: 8: Hoare triple {277#(or (not (= (_ bv0 1) (bvadd (_ bv1 1) (select |old(#valid)| |~#global_list_13~0.base|)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))))} ~size := #in~size; {277#(or (not (= (_ bv0 1) (bvadd (_ bv1 1) (select |old(#valid)| |~#global_list_13~0.base|)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))))} is VALID [2021-09-13 23:45:39,281 INFO L264 TraceCheckUtils]: 7: Hoare triple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} call #t~ret38.base, #t~ret38.offset := ldv_malloc(12bv32); {277#(or (not (= (_ bv0 1) (bvadd (_ bv1 1) (select |old(#valid)| |~#global_list_13~0.base|)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))))} is VALID [2021-09-13 23:45:39,282 INFO L264 TraceCheckUtils]: 6: Hoare triple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} call alloc_13(); {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:39,282 INFO L264 TraceCheckUtils]: 5: Hoare triple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} call entry_point(); {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:39,283 INFO L264 TraceCheckUtils]: 4: Hoare triple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} call main(); {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:39,283 INFO L276 TraceCheckUtils]: 3: Hoare quadruple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} {201#true} #491#return; {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:39,284 INFO L281 TraceCheckUtils]: 2: Hoare triple {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} assume true; {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:39,286 INFO L281 TraceCheckUtils]: 1: Hoare triple {201#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32);call ~#global_list_13~0.base, ~#global_list_13~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#global_list_13~0.base, ~#global_list_13~0.offset, ~#global_list_13~0.base, ~#global_list_13~0.offset, 4bv32);call write~init~$Pointer$(~#global_list_13~0.base, ~#global_list_13~0.offset, ~#global_list_13~0.base, ~bvadd32(4bv32, ~#global_list_13~0.offset), 4bv32); {209#(= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|)))} is VALID [2021-09-13 23:45:39,286 INFO L264 TraceCheckUtils]: 0: Hoare triple {201#true} call ULTIMATE.init(); {201#true} is VALID [2021-09-13 23:45:39,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 23:45:39,288 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-09-13 23:45:39,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731616910] [2021-09-13 23:45:39,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1731616910] provided 2 perfect and 0 imperfect interpolant sequences [2021-09-13 23:45:39,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-09-13 23:45:39,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 7 [2021-09-13 23:45:39,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160681932] [2021-09-13 23:45:39,295 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 17 [2021-09-13 23:45:39,296 INFO L84 Accepts]: Finished accepts. word is accepted. [2021-09-13 23:45:39,299 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-09-13 23:45:39,326 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 23:45:39,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-09-13 23:45:39,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-09-13 23:45:39,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-09-13 23:45:39,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-09-13 23:45:39,346 INFO L87 Difference]: Start difference. First operand has 198 states, 102 states have (on average 1.6568627450980393) internal successors, (169), 159 states have internal predecessors, (169), 20 states have call successors, (20), 17 states have call predecessors, (20), 17 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-09-13 23:45:41,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 23:45:41,253 INFO L93 Difference]: Finished difference Result 146 states and 149 transitions. [2021-09-13 23:45:41,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-09-13 23:45:41,254 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 17 [2021-09-13 23:45:41,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-13 23:45:41,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-09-13 23:45:41,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 153 transitions. [2021-09-13 23:45:41,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-09-13 23:45:41,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 153 transitions. [2021-09-13 23:45:41,298 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 153 transitions. [2021-09-13 23:45:41,493 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 153 edges. 153 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 23:45:41,510 INFO L225 Difference]: With dead ends: 146 [2021-09-13 23:45:41,510 INFO L226 Difference]: Without dead ends: 142 [2021-09-13 23:45:41,511 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 8 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 210.52ms TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-09-13 23:45:41,518 INFO L928 BasicCegarLoop]: 14 mSDtfsCounter, 325 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 708.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.87ms SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 61 IncrementalHoareTripleChecker+Unchecked, 718.96ms IncrementalHoareTripleChecker+Time [2021-09-13 23:45:41,519 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [328 Valid, 19 Invalid, 465 Unknown, 0 Unchecked, 10.87ms Time], IncrementalHoareTripleChecker [59 Valid, 345 Invalid, 0 Unknown, 61 Unchecked, 718.96ms Time] [2021-09-13 23:45:41,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-09-13 23:45:41,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 97. [2021-09-13 23:45:41,552 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2021-09-13 23:45:41,553 INFO L82 GeneralOperation]: Start isEquivalent. First operand 142 states. Second operand has 97 states, 46 states have (on average 1.6956521739130435) internal successors, (78), 76 states have internal predecessors, (78), 11 states have call successors, (11), 11 states have call predecessors, (11), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-09-13 23:45:41,554 INFO L74 IsIncluded]: Start isIncluded. First operand 142 states. Second operand has 97 states, 46 states have (on average 1.6956521739130435) internal successors, (78), 76 states have internal predecessors, (78), 11 states have call successors, (11), 11 states have call predecessors, (11), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-09-13 23:45:41,555 INFO L87 Difference]: Start difference. First operand 142 states. Second operand has 97 states, 46 states have (on average 1.6956521739130435) internal successors, (78), 76 states have internal predecessors, (78), 11 states have call successors, (11), 11 states have call predecessors, (11), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-09-13 23:45:41,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 23:45:41,563 INFO L93 Difference]: Finished difference Result 142 states and 144 transitions. [2021-09-13 23:45:41,563 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 144 transitions. [2021-09-13 23:45:41,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 23:45:41,565 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 23:45:41,565 INFO L74 IsIncluded]: Start isIncluded. First operand has 97 states, 46 states have (on average 1.6956521739130435) internal successors, (78), 76 states have internal predecessors, (78), 11 states have call successors, (11), 11 states have call predecessors, (11), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand 142 states. [2021-09-13 23:45:41,566 INFO L87 Difference]: Start difference. First operand has 97 states, 46 states have (on average 1.6956521739130435) internal successors, (78), 76 states have internal predecessors, (78), 11 states have call successors, (11), 11 states have call predecessors, (11), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand 142 states. [2021-09-13 23:45:41,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 23:45:41,573 INFO L93 Difference]: Finished difference Result 142 states and 144 transitions. [2021-09-13 23:45:41,574 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 144 transitions. [2021-09-13 23:45:41,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 23:45:41,575 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 23:45:41,575 INFO L88 GeneralOperation]: Finished isEquivalent. [2021-09-13 23:45:41,575 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2021-09-13 23:45:41,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 46 states have (on average 1.6956521739130435) internal successors, (78), 76 states have internal predecessors, (78), 11 states have call successors, (11), 11 states have call predecessors, (11), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-09-13 23:45:41,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 99 transitions. [2021-09-13 23:45:41,580 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 99 transitions. Word has length 17 [2021-09-13 23:45:41,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-13 23:45:41,581 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 99 transitions. [2021-09-13 23:45:41,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-09-13 23:45:41,581 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 99 transitions. [2021-09-13 23:45:41,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-09-13 23:45:41,582 INFO L505 BasicCegarLoop]: Found error trace [2021-09-13 23:45:41,582 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-13 23:45:41,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-09-13 23:45:41,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-09-13 23:45:41,794 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_list_addErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 76 more)] === [2021-09-13 23:45:41,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-13 23:45:41,795 INFO L82 PathProgramCache]: Analyzing trace with hash -220063909, now seen corresponding path program 1 times [2021-09-13 23:45:41,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-09-13 23:45:41,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498438425] [2021-09-13 23:45:41,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 23:45:41,796 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-09-13 23:45:41,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-09-13 23:45:41,797 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-09-13 23:45:41,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-09-13 23:45:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 23:45:41,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-09-13 23:45:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 23:45:41,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-09-13 23:45:42,029 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-09-13 23:45:42,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 35 [2021-09-13 23:45:42,058 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-09-13 23:45:42,058 INFO L388 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 1 case distinctions, treesize of input 35 treesize of output 36 [2021-09-13 23:45:42,750 INFO L354 Elim1Store]: treesize reduction 2, result has 92.0 percent of original size [2021-09-13 23:45:42,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 59 [2021-09-13 23:45:42,780 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-09-13 23:45:42,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 50 [2021-09-13 23:45:45,154 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-09-13 23:45:45,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 61 [2021-09-13 23:45:45,193 INFO L354 Elim1Store]: treesize reduction 18, result has 63.3 percent of original size [2021-09-13 23:45:45,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 72 [2021-09-13 23:45:45,660 INFO L264 TraceCheckUtils]: 0: Hoare triple {847#true} call ULTIMATE.init(); {847#true} is VALID [2021-09-13 23:45:45,663 INFO L281 TraceCheckUtils]: 1: Hoare triple {847#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32);call ~#global_list_13~0.base, ~#global_list_13~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#global_list_13~0.base, ~#global_list_13~0.offset, ~#global_list_13~0.base, ~#global_list_13~0.offset, 4bv32);call write~init~$Pointer$(~#global_list_13~0.base, ~#global_list_13~0.offset, ~#global_list_13~0.base, ~bvadd32(4bv32, ~#global_list_13~0.offset), 4bv32); {855#(and (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (and (= (_ bv8 32) (select |#length| |~#ldv_global_msg_list~0.base|)) (or (= |~#global_list_13~0.base| (_ bv0 32)) (= (_ bv0 1) (select |#valid| (_ bv0 32))) (= (_ bv0 32) |~#ldv_global_msg_list~0.base|)) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| |~#ldv_global_msg_list~0.base|)))))) (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))) (= |~#global_list_13~0.offset| (_ bv0 32)))} is VALID [2021-09-13 23:45:45,664 INFO L281 TraceCheckUtils]: 2: Hoare triple {855#(and (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (and (= (_ bv8 32) (select |#length| |~#ldv_global_msg_list~0.base|)) (or (= |~#global_list_13~0.base| (_ bv0 32)) (= (_ bv0 1) (select |#valid| (_ bv0 32))) (= (_ bv0 32) |~#ldv_global_msg_list~0.base|)) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| |~#ldv_global_msg_list~0.base|)))))) (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))) (= |~#global_list_13~0.offset| (_ bv0 32)))} assume true; {855#(and (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (and (= (_ bv8 32) (select |#length| |~#ldv_global_msg_list~0.base|)) (or (= |~#global_list_13~0.base| (_ bv0 32)) (= (_ bv0 1) (select |#valid| (_ bv0 32))) (= (_ bv0 32) |~#ldv_global_msg_list~0.base|)) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| |~#ldv_global_msg_list~0.base|)))))) (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))) (= |~#global_list_13~0.offset| (_ bv0 32)))} is VALID [2021-09-13 23:45:45,664 INFO L276 TraceCheckUtils]: 3: Hoare quadruple {855#(and (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (and (= (_ bv8 32) (select |#length| |~#ldv_global_msg_list~0.base|)) (or (= |~#global_list_13~0.base| (_ bv0 32)) (= (_ bv0 1) (select |#valid| (_ bv0 32))) (= (_ bv0 32) |~#ldv_global_msg_list~0.base|)) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| |~#ldv_global_msg_list~0.base|)))))) (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))) (= |~#global_list_13~0.offset| (_ bv0 32)))} {847#true} #491#return; {855#(and (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (and (= (_ bv8 32) (select |#length| |~#ldv_global_msg_list~0.base|)) (or (= |~#global_list_13~0.base| (_ bv0 32)) (= (_ bv0 1) (select |#valid| (_ bv0 32))) (= (_ bv0 32) |~#ldv_global_msg_list~0.base|)) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| |~#ldv_global_msg_list~0.base|)))))) (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))) (= |~#global_list_13~0.offset| (_ bv0 32)))} is VALID [2021-09-13 23:45:45,665 INFO L264 TraceCheckUtils]: 4: Hoare triple {855#(and (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (and (= (_ bv8 32) (select |#length| |~#ldv_global_msg_list~0.base|)) (or (= |~#global_list_13~0.base| (_ bv0 32)) (= (_ bv0 1) (select |#valid| (_ bv0 32))) (= (_ bv0 32) |~#ldv_global_msg_list~0.base|)) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| |~#ldv_global_msg_list~0.base|)))))) (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))) (= |~#global_list_13~0.offset| (_ bv0 32)))} call main(); {855#(and (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (and (= (_ bv8 32) (select |#length| |~#ldv_global_msg_list~0.base|)) (or (= |~#global_list_13~0.base| (_ bv0 32)) (= (_ bv0 1) (select |#valid| (_ bv0 32))) (= (_ bv0 32) |~#ldv_global_msg_list~0.base|)) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| |~#ldv_global_msg_list~0.base|)))))) (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))) (= |~#global_list_13~0.offset| (_ bv0 32)))} is VALID [2021-09-13 23:45:45,665 INFO L264 TraceCheckUtils]: 5: Hoare triple {855#(and (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (and (= (_ bv8 32) (select |#length| |~#ldv_global_msg_list~0.base|)) (or (= |~#global_list_13~0.base| (_ bv0 32)) (= (_ bv0 1) (select |#valid| (_ bv0 32))) (= (_ bv0 32) |~#ldv_global_msg_list~0.base|)) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| |~#ldv_global_msg_list~0.base|)))))) (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))) (= |~#global_list_13~0.offset| (_ bv0 32)))} call entry_point(); {855#(and (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (and (= (_ bv8 32) (select |#length| |~#ldv_global_msg_list~0.base|)) (or (= |~#global_list_13~0.base| (_ bv0 32)) (= (_ bv0 1) (select |#valid| (_ bv0 32))) (= (_ bv0 32) |~#ldv_global_msg_list~0.base|)) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| |~#ldv_global_msg_list~0.base|)))))) (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))) (= |~#global_list_13~0.offset| (_ bv0 32)))} is VALID [2021-09-13 23:45:45,666 INFO L264 TraceCheckUtils]: 6: Hoare triple {855#(and (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (and (= (_ bv8 32) (select |#length| |~#ldv_global_msg_list~0.base|)) (or (= |~#global_list_13~0.base| (_ bv0 32)) (= (_ bv0 1) (select |#valid| (_ bv0 32))) (= (_ bv0 32) |~#ldv_global_msg_list~0.base|)) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| |~#ldv_global_msg_list~0.base|)))))) (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))) (= |~#global_list_13~0.offset| (_ bv0 32)))} call alloc_13(); {855#(and (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (and (= (_ bv8 32) (select |#length| |~#ldv_global_msg_list~0.base|)) (or (= |~#global_list_13~0.base| (_ bv0 32)) (= (_ bv0 1) (select |#valid| (_ bv0 32))) (= (_ bv0 32) |~#ldv_global_msg_list~0.base|)) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| |~#ldv_global_msg_list~0.base|)))))) (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))) (= |~#global_list_13~0.offset| (_ bv0 32)))} is VALID [2021-09-13 23:45:45,667 INFO L264 TraceCheckUtils]: 7: Hoare triple {855#(and (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (and (= (_ bv8 32) (select |#length| |~#ldv_global_msg_list~0.base|)) (or (= |~#global_list_13~0.base| (_ bv0 32)) (= (_ bv0 1) (select |#valid| (_ bv0 32))) (= (_ bv0 32) |~#ldv_global_msg_list~0.base|)) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| |~#ldv_global_msg_list~0.base|)))))) (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))) (= |~#global_list_13~0.offset| (_ bv0 32)))} call #t~ret38.base, #t~ret38.offset := ldv_malloc(12bv32); {874#(and (= |old(#valid)| |#valid|) (= |#length| |old(#length)|) (= |~#global_list_13~0.offset| (_ bv0 32)))} is VALID [2021-09-13 23:45:45,667 INFO L281 TraceCheckUtils]: 8: Hoare triple {874#(and (= |old(#valid)| |#valid|) (= |#length| |old(#length)|) (= |~#global_list_13~0.offset| (_ bv0 32)))} ~size := #in~size; {874#(and (= |old(#valid)| |#valid|) (= |#length| |old(#length)|) (= |~#global_list_13~0.offset| (_ bv0 32)))} is VALID [2021-09-13 23:45:45,669 INFO L281 TraceCheckUtils]: 9: Hoare triple {874#(and (= |old(#valid)| |#valid|) (= |#length| |old(#length)|) (= |~#global_list_13~0.offset| (_ bv0 32)))} assume 0bv32 != #t~nondet11;havoc #t~nondet11;call #t~malloc12.base, #t~malloc12.offset := #Ultimate.allocOnHeap(~size);#res.base, #res.offset := #t~malloc12.base, #t~malloc12.offset;havoc #t~malloc12.base, #t~malloc12.offset; {881#(and (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#res.base| (_ BitVec 32))) (and (= (store |old(#length)| |ldv_malloc_#res.base| ldv_malloc_~size) |#length|) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |old(#valid)| |ldv_malloc_#res.base|)))))))) (= |~#global_list_13~0.offset| (_ bv0 32)))} is VALID [2021-09-13 23:45:45,669 INFO L281 TraceCheckUtils]: 10: Hoare triple {881#(and (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#res.base| (_ BitVec 32))) (and (= (store |old(#length)| |ldv_malloc_#res.base| ldv_malloc_~size) |#length|) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |old(#valid)| |ldv_malloc_#res.base|)))))))) (= |~#global_list_13~0.offset| (_ bv0 32)))} assume true; {881#(and (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#res.base| (_ BitVec 32))) (and (= (store |old(#length)| |ldv_malloc_#res.base| ldv_malloc_~size) |#length|) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |old(#valid)| |ldv_malloc_#res.base|)))))))) (= |~#global_list_13~0.offset| (_ bv0 32)))} is VALID [2021-09-13 23:45:45,671 INFO L276 TraceCheckUtils]: 11: Hoare quadruple {881#(and (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#res.base| (_ BitVec 32))) (and (= (store |old(#length)| |ldv_malloc_#res.base| ldv_malloc_~size) |#length|) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |old(#valid)| |ldv_malloc_#res.base|)))))))) (= |~#global_list_13~0.offset| (_ bv0 32)))} {855#(and (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (and (= (_ bv8 32) (select |#length| |~#ldv_global_msg_list~0.base|)) (or (= |~#global_list_13~0.base| (_ bv0 32)) (= (_ bv0 1) (select |#valid| (_ bv0 32))) (= (_ bv0 32) |~#ldv_global_msg_list~0.base|)) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| |~#ldv_global_msg_list~0.base|)))))) (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |~#global_list_13~0.base|))) (= |~#global_list_13~0.offset| (_ bv0 32)))} #445#return; {888#(and (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= |~#global_list_13~0.offset| (_ bv0 32)))} is VALID [2021-09-13 23:45:45,672 INFO L281 TraceCheckUtils]: 12: Hoare triple {888#(and (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= |~#global_list_13~0.offset| (_ bv0 32)))} ~p~0.base, ~p~0.offset := #t~ret38.base, #t~ret38.offset;havoc #t~ret38.base, #t~ret38.offset; {888#(and (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= |~#global_list_13~0.offset| (_ bv0 32)))} is VALID [2021-09-13 23:45:45,672 INFO L281 TraceCheckUtils]: 13: Hoare triple {888#(and (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= |~#global_list_13~0.offset| (_ bv0 32)))} assume ~p~0.base != 0bv32 || ~p~0.offset != 0bv32; {888#(and (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= |~#global_list_13~0.offset| (_ bv0 32)))} is VALID [2021-09-13 23:45:45,673 INFO L264 TraceCheckUtils]: 14: Hoare triple {888#(and (= (select |#length| |~#global_list_13~0.base|) (_ bv8 32)) (= |~#global_list_13~0.offset| (_ bv0 32)))} call ldv_list_add(~p~0.base, ~bvadd32(4bv32, ~p~0.offset), ~#global_list_13~0.base, ~#global_list_13~0.offset); {898#(and (= (_ bv8 32) (select |#length| |ldv_list_add_#in~head.base|)) (= (_ bv0 32) |ldv_list_add_#in~head.offset|))} is VALID [2021-09-13 23:45:45,678 INFO L281 TraceCheckUtils]: 15: Hoare triple {898#(and (= (_ bv8 32) (select |#length| |ldv_list_add_#in~head.base|)) (= (_ bv0 32) |ldv_list_add_#in~head.offset|))} ~new.base, ~new.offset := #in~new.base, #in~new.offset;~head.base, ~head.offset := #in~head.base, #in~head.offset; {902#(and (= ldv_list_add_~head.offset (_ bv0 32)) (= (_ bv8 32) (select |#length| ldv_list_add_~head.base)))} is VALID [2021-09-13 23:45:45,678 INFO L281 TraceCheckUtils]: 16: Hoare triple {902#(and (= ldv_list_add_~head.offset (_ bv0 32)) (= (_ bv8 32) (select |#length| ldv_list_add_~head.base)))} assume !((~bvule32(~bvadd32(4bv32, ~head.offset), #length[~head.base]) && ~bvule32(~head.offset, ~bvadd32(4bv32, ~head.offset))) && ~bvule32(0bv32, ~head.offset)); {848#false} is VALID [2021-09-13 23:45:45,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 23:45:45,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-09-13 23:45:57,317 INFO L281 TraceCheckUtils]: 16: Hoare triple {906#(and (bvule (bvadd (_ bv4 32) ldv_list_add_~head.offset) (select |#length| ldv_list_add_~head.base)) (bvule ldv_list_add_~head.offset (bvadd (_ bv4 32) ldv_list_add_~head.offset)))} assume !((~bvule32(~bvadd32(4bv32, ~head.offset), #length[~head.base]) && ~bvule32(~head.offset, ~bvadd32(4bv32, ~head.offset))) && ~bvule32(0bv32, ~head.offset)); {848#false} is VALID [2021-09-13 23:45:57,318 INFO L281 TraceCheckUtils]: 15: Hoare triple {910#(and (bvule (bvadd (_ bv4 32) |ldv_list_add_#in~head.offset|) (select |#length| |ldv_list_add_#in~head.base|)) (bvule |ldv_list_add_#in~head.offset| (bvadd (_ bv4 32) |ldv_list_add_#in~head.offset|)))} ~new.base, ~new.offset := #in~new.base, #in~new.offset;~head.base, ~head.offset := #in~head.base, #in~head.offset; {906#(and (bvule (bvadd (_ bv4 32) ldv_list_add_~head.offset) (select |#length| ldv_list_add_~head.base)) (bvule ldv_list_add_~head.offset (bvadd (_ bv4 32) ldv_list_add_~head.offset)))} is VALID [2021-09-13 23:45:57,319 INFO L264 TraceCheckUtils]: 14: Hoare triple {914#(and (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select |#length| |~#global_list_13~0.base|)) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|)))} call ldv_list_add(~p~0.base, ~bvadd32(4bv32, ~p~0.offset), ~#global_list_13~0.base, ~#global_list_13~0.offset); {910#(and (bvule (bvadd (_ bv4 32) |ldv_list_add_#in~head.offset|) (select |#length| |ldv_list_add_#in~head.base|)) (bvule |ldv_list_add_#in~head.offset| (bvadd (_ bv4 32) |ldv_list_add_#in~head.offset|)))} is VALID [2021-09-13 23:45:57,319 INFO L281 TraceCheckUtils]: 13: Hoare triple {914#(and (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select |#length| |~#global_list_13~0.base|)) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|)))} assume ~p~0.base != 0bv32 || ~p~0.offset != 0bv32; {914#(and (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select |#length| |~#global_list_13~0.base|)) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|)))} is VALID [2021-09-13 23:45:57,320 INFO L281 TraceCheckUtils]: 12: Hoare triple {914#(and (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select |#length| |~#global_list_13~0.base|)) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|)))} ~p~0.base, ~p~0.offset := #t~ret38.base, #t~ret38.offset;havoc #t~ret38.base, #t~ret38.offset; {914#(and (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select |#length| |~#global_list_13~0.base|)) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|)))} is VALID [2021-09-13 23:45:57,335 INFO L276 TraceCheckUtils]: 11: Hoare quadruple {928#(or (and (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select |#length| |~#global_list_13~0.base|)) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (exists ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |old(#valid)| |v_ldv_malloc_#res.base_9|))) (or (not (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (exists ((v_ldv_malloc_~size_9 (_ BitVec 32))) (not (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |old(#length)| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))))))))} {924#(forall ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (or (and (forall ((v_ldv_malloc_~size_9 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (select |#valid| |v_ldv_malloc_#res.base_9|))))))} #445#return; {914#(and (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select |#length| |~#global_list_13~0.base|)) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|)))} is VALID [2021-09-13 23:45:57,336 INFO L281 TraceCheckUtils]: 10: Hoare triple {928#(or (and (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select |#length| |~#global_list_13~0.base|)) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (exists ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |old(#valid)| |v_ldv_malloc_#res.base_9|))) (or (not (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (exists ((v_ldv_malloc_~size_9 (_ BitVec 32))) (not (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |old(#length)| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))))))))} assume true; {928#(or (and (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select |#length| |~#global_list_13~0.base|)) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (exists ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |old(#valid)| |v_ldv_malloc_#res.base_9|))) (or (not (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (exists ((v_ldv_malloc_~size_9 (_ BitVec 32))) (not (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |old(#length)| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))))))))} is VALID [2021-09-13 23:45:57,343 INFO L281 TraceCheckUtils]: 9: Hoare triple {935#(or (exists ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |old(#valid)| |v_ldv_malloc_#res.base_9|))) (or (not (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (exists ((v_ldv_malloc_~size_9 (_ BitVec 32))) (not (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |old(#length)| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))))))) (forall ((|v_ldv_malloc_#res.base_10| (_ BitVec 32))) (or (and (forall ((ldv_malloc_~size (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_10| ldv_malloc_~size) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |#valid| |v_ldv_malloc_#res.base_10|)))))))))} assume 0bv32 != #t~nondet11;havoc #t~nondet11;call #t~malloc12.base, #t~malloc12.offset := #Ultimate.allocOnHeap(~size);#res.base, #res.offset := #t~malloc12.base, #t~malloc12.offset;havoc #t~malloc12.base, #t~malloc12.offset; {928#(or (and (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select |#length| |~#global_list_13~0.base|)) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (exists ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |old(#valid)| |v_ldv_malloc_#res.base_9|))) (or (not (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (exists ((v_ldv_malloc_~size_9 (_ BitVec 32))) (not (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |old(#length)| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))))))))} is VALID [2021-09-13 23:45:57,344 INFO L281 TraceCheckUtils]: 8: Hoare triple {935#(or (exists ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |old(#valid)| |v_ldv_malloc_#res.base_9|))) (or (not (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (exists ((v_ldv_malloc_~size_9 (_ BitVec 32))) (not (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |old(#length)| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))))))) (forall ((|v_ldv_malloc_#res.base_10| (_ BitVec 32))) (or (and (forall ((ldv_malloc_~size (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_10| ldv_malloc_~size) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |#valid| |v_ldv_malloc_#res.base_10|)))))))))} ~size := #in~size; {935#(or (exists ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |old(#valid)| |v_ldv_malloc_#res.base_9|))) (or (not (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (exists ((v_ldv_malloc_~size_9 (_ BitVec 32))) (not (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |old(#length)| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))))))) (forall ((|v_ldv_malloc_#res.base_10| (_ BitVec 32))) (or (and (forall ((ldv_malloc_~size (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_10| ldv_malloc_~size) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |#valid| |v_ldv_malloc_#res.base_10|)))))))))} is VALID [2021-09-13 23:45:57,346 INFO L264 TraceCheckUtils]: 7: Hoare triple {924#(forall ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (or (and (forall ((v_ldv_malloc_~size_9 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (select |#valid| |v_ldv_malloc_#res.base_9|))))))} call #t~ret38.base, #t~ret38.offset := ldv_malloc(12bv32); {935#(or (exists ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |old(#valid)| |v_ldv_malloc_#res.base_9|))) (or (not (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (exists ((v_ldv_malloc_~size_9 (_ BitVec 32))) (not (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |old(#length)| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))))))) (forall ((|v_ldv_malloc_#res.base_10| (_ BitVec 32))) (or (and (forall ((ldv_malloc_~size (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_10| ldv_malloc_~size) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |#valid| |v_ldv_malloc_#res.base_10|)))))))))} is VALID [2021-09-13 23:45:57,346 INFO L264 TraceCheckUtils]: 6: Hoare triple {924#(forall ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (or (and (forall ((v_ldv_malloc_~size_9 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (select |#valid| |v_ldv_malloc_#res.base_9|))))))} call alloc_13(); {924#(forall ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (or (and (forall ((v_ldv_malloc_~size_9 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (select |#valid| |v_ldv_malloc_#res.base_9|))))))} is VALID [2021-09-13 23:45:57,347 INFO L264 TraceCheckUtils]: 5: Hoare triple {924#(forall ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (or (and (forall ((v_ldv_malloc_~size_9 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (select |#valid| |v_ldv_malloc_#res.base_9|))))))} call entry_point(); {924#(forall ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (or (and (forall ((v_ldv_malloc_~size_9 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (select |#valid| |v_ldv_malloc_#res.base_9|))))))} is VALID [2021-09-13 23:45:57,348 INFO L264 TraceCheckUtils]: 4: Hoare triple {924#(forall ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (or (and (forall ((v_ldv_malloc_~size_9 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (select |#valid| |v_ldv_malloc_#res.base_9|))))))} call main(); {924#(forall ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (or (and (forall ((v_ldv_malloc_~size_9 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (select |#valid| |v_ldv_malloc_#res.base_9|))))))} is VALID [2021-09-13 23:45:57,348 INFO L276 TraceCheckUtils]: 3: Hoare quadruple {924#(forall ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (or (and (forall ((v_ldv_malloc_~size_9 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (select |#valid| |v_ldv_malloc_#res.base_9|))))))} {847#true} #491#return; {924#(forall ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (or (and (forall ((v_ldv_malloc_~size_9 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (select |#valid| |v_ldv_malloc_#res.base_9|))))))} is VALID [2021-09-13 23:45:57,349 INFO L281 TraceCheckUtils]: 2: Hoare triple {924#(forall ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (or (and (forall ((v_ldv_malloc_~size_9 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (select |#valid| |v_ldv_malloc_#res.base_9|))))))} assume true; {924#(forall ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (or (and (forall ((v_ldv_malloc_~size_9 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (select |#valid| |v_ldv_malloc_#res.base_9|))))))} is VALID [2021-09-13 23:45:57,352 INFO L281 TraceCheckUtils]: 1: Hoare triple {847#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32);call ~#global_list_13~0.base, ~#global_list_13~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#global_list_13~0.base, ~#global_list_13~0.offset, ~#global_list_13~0.base, ~#global_list_13~0.offset, 4bv32);call write~init~$Pointer$(~#global_list_13~0.base, ~#global_list_13~0.offset, ~#global_list_13~0.base, ~bvadd32(4bv32, ~#global_list_13~0.offset), 4bv32); {924#(forall ((|v_ldv_malloc_#res.base_9| (_ BitVec 32))) (or (and (forall ((v_ldv_malloc_~size_9 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |~#global_list_13~0.offset|) (select (store |#length| |v_ldv_malloc_#res.base_9| v_ldv_malloc_~size_9) |~#global_list_13~0.base|))) (bvule |~#global_list_13~0.offset| (bvadd (_ bv4 32) |~#global_list_13~0.offset|))) (not (= (_ bv0 1) (bvneg (select |#valid| |v_ldv_malloc_#res.base_9|))))))} is VALID [2021-09-13 23:45:57,352 INFO L264 TraceCheckUtils]: 0: Hoare triple {847#true} call ULTIMATE.init(); {847#true} is VALID [2021-09-13 23:45:57,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 23:45:57,353 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-09-13 23:45:57,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [498438425] [2021-09-13 23:45:57,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [498438425] provided 2 perfect and 0 imperfect interpolant sequences [2021-09-13 23:45:57,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-09-13 23:45:57,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2021-09-13 23:45:57,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845547780] [2021-09-13 23:45:57,355 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 11 states have internal predecessors, (18), 5 states have call successors, (11), 7 states have call predecessors, (11), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 17 [2021-09-13 23:45:57,355 INFO L84 Accepts]: Finished accepts. word is accepted. [2021-09-13 23:45:57,356 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 11 states have internal predecessors, (18), 5 states have call successors, (11), 7 states have call predecessors, (11), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-09-13 23:45:57,420 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 23:45:57,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-09-13 23:45:57,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-09-13 23:45:57,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-09-13 23:45:57,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=141, Unknown=3, NotChecked=0, Total=182 [2021-09-13 23:45:57,422 INFO L87 Difference]: Start difference. First operand 97 states and 99 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 11 states have internal predecessors, (18), 5 states have call successors, (11), 7 states have call predecessors, (11), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-09-13 23:46:05,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-09-13 23:46:05,556 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 16846.36ms TimeCoverageRelationStatistics Valid=53, Invalid=184, Unknown=3, NotChecked=0, Total=240 [2021-09-13 23:46:05,557 INFO L928 BasicCegarLoop]: 18 mSDtfsCounter, 39 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 859.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.08ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 225 IncrementalHoareTripleChecker+Unchecked, 865.38ms IncrementalHoareTripleChecker+Time [2021-09-13 23:46:05,557 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 63 Invalid, 577 Unknown, 0 Unchecked, 6.08ms Time], IncrementalHoareTripleChecker [7 Valid, 345 Invalid, 0 Unknown, 225 Unchecked, 865.38ms Time] [2021-09-13 23:46:05,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-09-13 23:46:05,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-09-13 23:46:05,759 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: HoareTripleChecker results differ between SdHoareTripleChecker (result: INVALID) and MonolithicHoareTripleChecker (result: VALID) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ReviewedProtectedHtc.createAssertionError(ChainingHoareTripleChecker.java:367) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ReviewedProtectedHtc.reviewInductiveReturn(ChainingHoareTripleChecker.java:346) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ReviewedProtectedHtc.checkReturn(ChainingHoareTripleChecker.java:311) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkReturn(ChainingHoareTripleChecker.java:123) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkReturn(CachingHoareTripleChecker.java:153) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$ReturnSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:442) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.returnSuccessors(AbstractInterpolantAutomaton.java:279) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.returnSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.returnSuccessors(TotalizeNwa.java:308) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.returnSuccessors(ComplementDeterministicNwa.java:142) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.returnSuccessors(ProductNwa.java:284) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.returnSuccessorsGivenHier(ProductNwa.java:308) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addReturnsAndSuccessors(NestedWordAutomatonReachableStates.java:1118) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:950) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:863) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:779) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-09-13 23:46:05,778 INFO L158 Benchmark]: Toolchain (without parser) took 29819.59ms. Allocated memory was 60.8MB in the beginning and 107.0MB in the end (delta: 46.1MB). Free memory was 38.2MB in the beginning and 55.6MB in the end (delta: -17.4MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2021-09-13 23:46:05,778 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 43.3MB in the end (delta: 52.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-09-13 23:46:05,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 791.45ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 38.0MB in the beginning and 46.8MB in the end (delta: -8.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-09-13 23:46:05,779 INFO L158 Benchmark]: Boogie Preprocessor took 119.73ms. Allocated memory is still 73.4MB. Free memory was 46.8MB in the beginning and 40.0MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-09-13 23:46:05,779 INFO L158 Benchmark]: RCFGBuilder took 1043.34ms. Allocated memory is still 73.4MB. Free memory was 40.0MB in the beginning and 40.0MB in the end (delta: -44.6kB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-09-13 23:46:05,780 INFO L158 Benchmark]: TraceAbstraction took 27857.76ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 39.7MB in the beginning and 55.6MB in the end (delta: -16.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-09-13 23:46:05,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 43.3MB in the end (delta: 52.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 791.45ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 38.0MB in the beginning and 46.8MB in the end (delta: -8.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.73ms. Allocated memory is still 73.4MB. Free memory was 46.8MB in the beginning and 40.0MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1043.34ms. Allocated memory is still 73.4MB. Free memory was 40.0MB in the beginning and 40.0MB in the end (delta: -44.6kB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * TraceAbstraction took 27857.76ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 39.7MB in the beginning and 55.6MB in the end (delta: -16.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: HoareTripleChecker results differ between SdHoareTripleChecker (result: INVALID) and MonolithicHoareTripleChecker (result: VALID) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: HoareTripleChecker results differ between SdHoareTripleChecker (result: INVALID) and MonolithicHoareTripleChecker (result: VALID): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ReviewedProtectedHtc.createAssertionError(ChainingHoareTripleChecker.java:367) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-09-13 23:46:05,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...