./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_test9_1.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 3c3780959fce78cf56ec9398e6f7b05938c23d68 ................................................................................................................................... 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 -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_test9_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c3780959fce78cf56ec9398e6f7b05938c23d68 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 06:26:00,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:26:00,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:26:00,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:26:00,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:26:00,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:26:00,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:26:00,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:26:00,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:26:00,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:26:00,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:26:00,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:26:00,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:26:00,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:26:00,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:26:00,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:26:00,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:26:00,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:26:00,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:26:00,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:26:00,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:26:00,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:26:00,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:26:00,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:26:00,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:26:00,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:26:00,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:26:00,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:26:00,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:26:00,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:26:00,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:26:00,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:26:00,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:26:00,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:26:00,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:26:00,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:26:00,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:26:00,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:26:00,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:26:00,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:26:00,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:26:00,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-27 06:26:00,716 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:26:00,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:26:00,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:26:00,717 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:26:00,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:26:00,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:26:00,718 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:26:00,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:26:00,718 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:26:00,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:26:00,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:26:00,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:26:00,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:26:00,719 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:26:00,719 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:26:00,719 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:26:00,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:26:00,719 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:26:00,719 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:26:00,720 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:26:00,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:26:00,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:26:00,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:26:00,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:26:00,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:26:00,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:26:00,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 06:26:00,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 06:26:00,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:26:00,721 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c3780959fce78cf56ec9398e6f7b05938c23d68 [2021-08-27 06:26:00,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:26:00,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:26:00,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:26:00,989 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:26:00,993 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:26:00,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-08-27 06:26:01,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ac517d7/94e18d0c5f3e48dd848ac0761bd96a9e/FLAG0d5ce8614 [2021-08-27 06:26:01,416 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:26:01,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-08-27 06:26:01,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ac517d7/94e18d0c5f3e48dd848ac0761bd96a9e/FLAG0d5ce8614 [2021-08-27 06:26:01,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ac517d7/94e18d0c5f3e48dd848ac0761bd96a9e [2021-08-27 06:26:01,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:26:01,810 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:26:01,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:26:01,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:26:01,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:26:01,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:26:01" (1/1) ... [2021-08-27 06:26:01,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f6a1f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:26:01, skipping insertion in model container [2021-08-27 06:26:01,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:26:01" (1/1) ... [2021-08-27 06:26:01,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:26:01,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:26:02,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:26:02,093 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) [2021-08-27 06:26:02,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c01958e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:26:02, skipping insertion in model container [2021-08-27 06:26:02,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:26:02,094 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 06:26:02,096 INFO L168 Benchmark]: Toolchain (without parser) took 285.21 ms. Allocated memory is still 56.6 MB. Free memory was 33.7 MB in the beginning and 37.7 MB in the end (delta: -4.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-08-27 06:26:02,096 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 56.6 MB. Free memory was 38.4 MB in the beginning and 38.3 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:26:02,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.58 ms. Allocated memory is still 56.6 MB. Free memory was 33.6 MB in the beginning and 37.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-08-27 06:26:02,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 56.6 MB. Free memory was 38.4 MB in the beginning and 38.3 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.58 ms. Allocated memory is still 56.6 MB. Free memory was 33.6 MB in the beginning and 37.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * 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-dev-20ed64e [2021-08-27 06:26:03,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:26:03,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:26:03,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:26:03,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:26:03,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:26:03,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:26:03,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:26:03,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:26:03,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:26:03,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:26:03,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:26:03,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:26:03,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:26:03,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:26:03,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:26:03,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:26:03,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:26:03,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:26:03,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:26:03,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:26:03,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:26:03,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:26:03,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:26:03,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:26:03,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:26:03,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:26:03,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:26:03,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:26:03,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:26:03,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:26:03,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:26:03,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:26:03,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:26:03,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:26:03,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:26:03,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:26:03,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:26:03,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:26:03,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:26:03,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:26:03,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-27 06:26:03,551 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:26:03,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:26:03,552 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:26:03,552 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:26:03,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:26:03,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:26:03,554 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:26:03,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:26:03,554 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:26:03,555 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:26:03,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:26:03,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:26:03,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:26:03,556 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:26:03,556 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:26:03,556 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:26:03,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:26:03,556 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:26:03,556 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 06:26:03,557 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 06:26:03,557 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:26:03,557 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:26:03,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:26:03,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:26:03,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:26:03,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:26:03,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:26:03,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:26:03,558 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 06:26:03,558 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 06:26:03,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:26:03,559 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 06:26:03,559 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c3780959fce78cf56ec9398e6f7b05938c23d68 [2021-08-27 06:26:03,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:26:03,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:26:03,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:26:03,813 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:26:03,813 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:26:03,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-08-27 06:26:03,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/417201a68/dc59162c36a34f81839dbdfbdadea667/FLAG8d6e68f1e [2021-08-27 06:26:04,290 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:26:04,291 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-08-27 06:26:04,304 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/417201a68/dc59162c36a34f81839dbdfbdadea667/FLAG8d6e68f1e [2021-08-27 06:26:04,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/417201a68/dc59162c36a34f81839dbdfbdadea667 [2021-08-27 06:26:04,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:26:04,320 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:26:04,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:26:04,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:26:04,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:26:04,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:26:04" (1/1) ... [2021-08-27 06:26:04,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df54f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:26:04, skipping insertion in model container [2021-08-27 06:26:04,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:26:04" (1/1) ... [2021-08-27 06:26:04,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:26:04,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:26:04,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:26:04,671 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-08-27 06:26:04,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:26:04,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:26:04,726 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 06:26:04,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:26:04,806 INFO L208 MainTranslator]: Completed translation [2021-08-27 06:26:04,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:26:04 WrapperNode [2021-08-27 06:26:04,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:26:04,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 06:26:04,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 06:26:04,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 06:26:04,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:26:04" (1/1) ... [2021-08-27 06:26:04,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:26:04" (1/1) ... [2021-08-27 06:26:04,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:26:04" (1/1) ... [2021-08-27 06:26:04,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:26:04" (1/1) ... [2021-08-27 06:26:04,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:26:04" (1/1) ... [2021-08-27 06:26:04,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:26:04" (1/1) ... [2021-08-27 06:26:04,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:26:04" (1/1) ... [2021-08-27 06:26:04,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 06:26:04,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 06:26:04,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 06:26:04,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 06:26:04,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:26:04" (1/1) ... [2021-08-27 06:26:04,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:26:04,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 06:26:04,914 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) [2021-08-27 06:26:04,925 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 [2021-08-27 06:26:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-27 06:26:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 06:26:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:26:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:26:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-08-27 06:26:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-08-27 06:26:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-08-27 06:26:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-08-27 06:26:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-08-27 06:26:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-08-27 06:26:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-08-27 06:26:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-08-27 06:26:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-08-27 06:26:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:26:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-08-27 06:26:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-08-27 06:26:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-08-27 06:26:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-08-27 06:26:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-08-27 06:26:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-08-27 06:26:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-08-27 06:26:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-08-27 06:26:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-08-27 06:26:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-08-27 06:26:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-08-27 06:26:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-08-27 06:26:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-08-27 06:26:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-08-27 06:26:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-08-27 06:26:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-08-27 06:26:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-08-27 06:26:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-08-27 06:26:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-08-27 06:26:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-08-27 06:26:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-08-27 06:26:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-08-27 06:26:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-08-27 06:26:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-08-27 06:26:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-08-27 06:26:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-08-27 06:26:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-08-27 06:26:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-08-27 06:26:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9_2 [2021-08-27 06:26:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_9 [2021-08-27 06:26:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-08-27 06:26:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-27 06:26:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-08-27 06:26:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-08-27 06:26:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-08-27 06:26:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-08-27 06:26:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-08-27 06:26:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-08-27 06:26:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-08-27 06:26:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-08-27 06:26:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-08-27 06:26:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-08-27 06:26:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-08-27 06:26:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-08-27 06:26:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-08-27 06:26:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-08-27 06:26:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-08-27 06:26:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-08-27 06:26:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-08-27 06:26:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-08-27 06:26:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-08-27 06:26:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-08-27 06:26:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-08-27 06:26:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-08-27 06:26:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-08-27 06:26:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-08-27 06:26:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-08-27 06:26:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-08-27 06:26:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-08-27 06:26:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-08-27 06:26:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-08-27 06:26:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-08-27 06:26:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-08-27 06:26:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-08-27 06:26:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-08-27 06:26:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-08-27 06:26:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-08-27 06:26:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-08-27 06:26:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-08-27 06:26:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-08-27 06:26:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-08-27 06:26:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-08-27 06:26:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-08-27 06:26:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-08-27 06:26:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-08-27 06:26:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-08-27 06:26:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-08-27 06:26:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-08-27 06:26:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-08-27 06:26:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-08-27 06:26:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-08-27 06:26:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-08-27 06:26:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-08-27 06:26:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-08-27 06:26:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-08-27 06:26:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-08-27 06:26:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-08-27 06:26:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-08-27 06:26:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-08-27 06:26:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-08-27 06:26:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-08-27 06:26:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-08-27 06:26:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-08-27 06:26:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-08-27 06:26:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-08-27 06:26:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-08-27 06:26:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-08-27 06:26:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-08-27 06:26:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-27 06:26:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-08-27 06:26:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-08-27 06:26:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-08-27 06:26:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-08-27 06:26:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-08-27 06:26:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-08-27 06:26:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-08-27 06:26:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-08-27 06:26:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-08-27 06:26:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-08-27 06:26:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-08-27 06:26:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-08-27 06:26:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-08-27 06:26:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-08-27 06:26:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-08-27 06:26:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-08-27 06:26:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-08-27 06:26:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-08-27 06:26:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-08-27 06:26:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-08-27 06:26:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-08-27 06:26:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-08-27 06:26:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-08-27 06:26:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-08-27 06:26:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-08-27 06:26:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-08-27 06:26:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-08-27 06:26:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-08-27 06:26:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-08-27 06:26:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-08-27 06:26:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-08-27 06:26:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-08-27 06:26:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-08-27 06:26:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-08-27 06:26:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-08-27 06:26:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-08-27 06:26:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-08-27 06:26:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-08-27 06:26:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-08-27 06:26:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-08-27 06:26:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-08-27 06:26:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-08-27 06:26:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-08-27 06:26:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-08-27 06:26:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-27 06:26:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-08-27 06:26:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-08-27 06:26:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-08-27 06:26:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-08-27 06:26:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-08-27 06:26:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-27 06:26:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-08-27 06:26:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-08-27 06:26:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:26:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-27 06:26:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-08-27 06:26:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-08-27 06:26:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-08-27 06:26:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-27 06:26:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-08-27 06:26:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-08-27 06:26:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-08-27 06:26:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-08-27 06:26:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-08-27 06:26:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-08-27 06:26:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 06:26:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-08-27 06:26:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-08-27 06:26:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-08-27 06:26:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-08-27 06:26:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-08-27 06:26:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-27 06:26:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-27 06:26:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-08-27 06:26:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-08-27 06:26:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:26:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-08-27 06:26:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-08-27 06:26:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-08-27 06:26:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-08-27 06:26:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-08-27 06:26:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-08-27 06:26:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-08-27 06:26:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-08-27 06:26:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-08-27 06:26:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-08-27 06:26:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-08-27 06:26:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-08-27 06:26:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-08-27 06:26:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-08-27 06:26:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9_2 [2021-08-27 06:26:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_9 [2021-08-27 06:26:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-08-27 06:26:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-27 06:26:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-27 06:26:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 06:26:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-27 06:26:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 06:26:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:26:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-08-27 06:26:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-08-27 06:26:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-27 06:26:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-27 06:26:05,592 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:26:05,825 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:26:06,067 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 06:26:06,070 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-27 06:26:06,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:26:06 BoogieIcfgContainer [2021-08-27 06:26:06,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 06:26:06,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 06:26:06,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 06:26:06,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 06:26:06,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 06:26:04" (1/3) ... [2021-08-27 06:26:06,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a4ed12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:26:06, skipping insertion in model container [2021-08-27 06:26:06,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:26:04" (2/3) ... [2021-08-27 06:26:06,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a4ed12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:26:06, skipping insertion in model container [2021-08-27 06:26:06,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:26:06" (3/3) ... [2021-08-27 06:26:06,080 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_1.i [2021-08-27 06:26:06,083 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 06:26:06,083 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-08-27 06:26:06,129 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 06:26:06,136 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 [2021-08-27 06:26:06,136 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-08-27 06:26:06,148 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 79 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-08-27 06:26:06,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-27 06:26:06,152 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:26:06,153 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:26:06,153 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-08-27 06:26:06,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:26:06,157 INFO L82 PathProgramCache]: Analyzing trace with hash -2083159501, now seen corresponding path program 1 times [2021-08-27 06:26:06,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:26:06,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479103183] [2021-08-27 06:26:06,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:26:06,165 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:26:06,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:26:06,171 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) [2021-08-27 06:26:06,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-27 06:26:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:26:06,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 06:26:06,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:26:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:26:06,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:26:06,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:26:06,638 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:26:06,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479103183] [2021-08-27 06:26:06,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1479103183] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:26:06,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:26:06,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-27 06:26:06,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521672653] [2021-08-27 06:26:06,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-27 06:26:06,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:26:06,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 06:26:06,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-27 06:26:06,660 INFO L87 Difference]: Start difference. First operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 79 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-08-27 06:26:06,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:26:06,681 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2021-08-27 06:26:06,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 06:26:06,682 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) Word has length 19 [2021-08-27 06:26:06,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:26:06,687 INFO L225 Difference]: With dead ends: 25 [2021-08-27 06:26:06,687 INFO L226 Difference]: Without dead ends: 22 [2021-08-27 06:26:06,688 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 29.6ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-27 06:26:06,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-08-27 06:26:06,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-08-27 06:26:06,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-08-27 06:26:06,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2021-08-27 06:26:06,707 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 19 [2021-08-27 06:26:06,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:26:06,707 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2021-08-27 06:26:06,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-08-27 06:26:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2021-08-27 06:26:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-27 06:26:06,708 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:26:06,708 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:26:06,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-27 06:26:06,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:26:06,916 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-08-27 06:26:06,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:26:06,916 INFO L82 PathProgramCache]: Analyzing trace with hash -461173850, now seen corresponding path program 1 times [2021-08-27 06:26:06,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:26:06,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756631830] [2021-08-27 06:26:06,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:26:06,917 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:26:06,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:26:06,918 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) [2021-08-27 06:26:06,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-27 06:26:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 06:26:07,105 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 06:26:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 06:26:07,155 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-08-27 06:26:07,156 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-27 06:26:07,157 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-08-27 06:26:07,158 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,159 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,159 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,159 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,159 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,159 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,159 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-08-27 06:26:07,160 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-08-27 06:26:07,160 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,161 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,161 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-08-27 06:26:07,161 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-08-27 06:26:07,161 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,161 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,161 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-08-27 06:26:07,161 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-08-27 06:26:07,161 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-08-27 06:26:07,162 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-08-27 06:26:07,162 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-08-27 06:26:07,162 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-08-27 06:26:07,162 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,162 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,162 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,162 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,163 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:26:07,163 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:26:07,163 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,163 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,163 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-08-27 06:26:07,163 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-08-27 06:26:07,163 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,163 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,164 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,164 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,164 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-08-27 06:26:07,164 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-08-27 06:26:07,164 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-08-27 06:26:07,164 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-08-27 06:26:07,164 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,165 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,165 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,165 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,165 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:26:07,165 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:26:07,166 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:26:07,166 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:26:07,166 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:26:07,167 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:26:07,167 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,167 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,167 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-08-27 06:26:07,167 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-08-27 06:26:07,167 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-08-27 06:26:07,167 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-08-27 06:26:07,168 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,168 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,168 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:26:07,170 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:26:07,170 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:26:07,170 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:26:07,170 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:26:07,171 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:26:07,171 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,171 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,171 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,171 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,171 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:26:07,172 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:26:07,172 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-08-27 06:26:07,172 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-08-27 06:26:07,172 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:26:07,174 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:26:07,175 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:26:07,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-08-27 06:26:07,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:26:07,388 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 06:26:07,396 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-08-27 06:26:07,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 06:26:07 BoogieIcfgContainer [2021-08-27 06:26:07,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 06:26:07,411 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 06:26:07,412 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 06:26:07,412 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 06:26:07,412 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:26:06" (3/4) ... [2021-08-27 06:26:07,415 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 06:26:07,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 06:26:07,417 INFO L168 Benchmark]: Toolchain (without parser) took 3097.30 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 35.7 MB in the beginning and 31.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2021-08-27 06:26:07,418 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 50.3 MB. Free memory was 30.8 MB in the beginning and 30.7 MB in the end (delta: 71.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:26:07,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.72 ms. Allocated memory is still 60.8 MB. Free memory was 35.4 MB in the beginning and 39.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-08-27 06:26:07,419 INFO L168 Benchmark]: Boogie Preprocessor took 60.57 ms. Allocated memory is still 60.8 MB. Free memory was 39.3 MB in the beginning and 34.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 06:26:07,420 INFO L168 Benchmark]: RCFGBuilder took 1204.99 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 34.5 MB in the beginning and 28.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2021-08-27 06:26:07,422 INFO L168 Benchmark]: TraceAbstraction took 1336.58 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 28.2 MB in the beginning and 32.5 MB in the end (delta: -4.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2021-08-27 06:26:07,423 INFO L168 Benchmark]: Witness Printer took 5.12 ms. Allocated memory is still 88.1 MB. Free memory was 32.5 MB in the beginning and 31.8 MB in the end (delta: 682.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:26:07,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 50.3 MB. Free memory was 30.8 MB in the beginning and 30.7 MB in the end (delta: 71.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 484.72 ms. Allocated memory is still 60.8 MB. Free memory was 35.4 MB in the beginning and 39.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.57 ms. Allocated memory is still 60.8 MB. Free memory was 39.3 MB in the beginning and 34.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1204.99 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 34.5 MB in the beginning and 28.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1336.58 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 28.2 MB in the beginning and 32.5 MB in the end (delta: -4.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.12 ms. Allocated memory is still 88.1 MB. Free memory was 32.5 MB in the beginning and 31.8 MB in the end (delta: 682.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; VAL [\old(a9)=null, \old(a9)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L773] CALL entry_point() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L766] CALL, EXPR probe_9_2() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=null, \old(a9)=null, \old(size)=4, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(int))={1:0}] [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] return - -3; VAL [\old(a9)=null, \old(a9)=null, \result=3, a9={1:0}, ldv_global_msg_list={-2147483648:0}] [L766] RET, EXPR probe_9_2() VAL [\old(a9)=null, \old(a9)=null, a9={1:0}, ldv_global_msg_list={-2147483648:0}, probe_9_2()=3] [L766] int ret = probe_9_2(); [L767] COND FALSE !(ret==0) VAL [\old(a9)=null, \old(a9)=null, a9={1:0}, ldv_global_msg_list={-2147483648:0}, ret=3] [L770] a9 = 0 VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}, ret=3] [L773] RET entry_point() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 1259.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 7.6ms, AutomataDifference: 40.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 23 SDtfs, 6 SDslu, 85 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 29.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 10.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 19.7ms SsaConstructionTime, 43.0ms SatisfiabilityAnalysisTime, 295.9ms InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 93 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-08-27 06:26:07,457 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...