./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 574ddb4e 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_2.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 b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-18 21:25:49,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 21:25:49,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 21:25:49,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 21:25:49,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 21:25:49,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 21:25:49,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 21:25:49,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 21:25:49,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 21:25:49,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 21:25:49,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 21:25:49,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 21:25:49,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 21:25:49,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 21:25:49,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 21:25:49,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 21:25:49,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 21:25:49,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 21:25:49,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 21:25:49,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 21:25:49,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 21:25:49,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 21:25:49,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 21:25:49,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 21:25:49,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 21:25:49,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 21:25:49,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 21:25:49,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 21:25:49,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 21:25:49,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 21:25:49,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 21:25:49,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 21:25:49,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 21:25:49,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 21:25:49,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 21:25:49,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 21:25:49,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 21:25:49,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 21:25:49,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 21:25:49,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 21:25:49,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 21:25:49,781 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-02-18 21:25:49,802 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 21:25:49,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 21:25:49,803 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 21:25:49,803 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 21:25:49,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 21:25:49,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 21:25:49,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 21:25:49,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 21:25:49,805 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 21:25:49,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 21:25:49,805 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 21:25:49,806 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 21:25:49,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 21:25:49,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 21:25:49,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 21:25:49,806 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-18 21:25:49,806 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-18 21:25:49,806 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-18 21:25:49,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 21:25:49,807 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-18 21:25:49,807 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 21:25:49,807 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 21:25:49,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 21:25:49,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 21:25:49,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 21:25:49,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 21:25:49,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 21:25:49,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 21:25:49,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 21:25:49,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 21:25:49,808 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 21:25:49,809 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 21:25:49,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 21:25:49,809 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 21:25:49,809 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2023-02-18 21:25:50,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 21:25:50,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 21:25:50,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 21:25:50,028 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 21:25:50,028 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 21:25:50,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2023-02-18 21:25:50,946 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 21:25:51,101 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 21:25:51,102 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2023-02-18 21:25:51,117 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dd4eb9c6/fcfc560593124f1f81eb7d39bbd343b7/FLAG5e692b5b8 [2023-02-18 21:25:51,125 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dd4eb9c6/fcfc560593124f1f81eb7d39bbd343b7 [2023-02-18 21:25:51,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 21:25:51,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 21:25:51,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 21:25:51,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 21:25:51,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 21:25:51,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:25:51" (1/1) ... [2023-02-18 21:25:51,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@163fe8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:25:51, skipping insertion in model container [2023-02-18 21:25:51,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:25:51" (1/1) ... [2023-02-18 21:25:51,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 21:25:51,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 21:25:51,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 21:25:51,420 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-02-18 21:25:51,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@229dd989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:25:51, skipping insertion in model container [2023-02-18 21:25:51,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 21:25:51,422 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-18 21:25:51,424 INFO L158 Benchmark]: Toolchain (without parser) took 295.43ms. Allocated memory is still 134.2MB. Free memory was 87.2MB in the beginning and 73.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-18 21:25:51,424 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 21:25:51,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.93ms. Allocated memory is still 134.2MB. Free memory was 87.2MB in the beginning and 73.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-18 21:25:51,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.93ms. Allocated memory is still 134.2MB. Free memory was 87.2MB in the beginning and 73.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types of different sizes 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_2.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 b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-18 21:25:52,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 21:25:52,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 21:25:52,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 21:25:52,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 21:25:52,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 21:25:52,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 21:25:52,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 21:25:52,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 21:25:52,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 21:25:52,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 21:25:52,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 21:25:52,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 21:25:52,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 21:25:52,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 21:25:52,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 21:25:52,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 21:25:52,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 21:25:52,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 21:25:52,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 21:25:52,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 21:25:52,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 21:25:52,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 21:25:52,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 21:25:52,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 21:25:52,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 21:25:52,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 21:25:52,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 21:25:52,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 21:25:52,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 21:25:52,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 21:25:52,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 21:25:52,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 21:25:52,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 21:25:52,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 21:25:52,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 21:25:52,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 21:25:52,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 21:25:52,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 21:25:52,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 21:25:52,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 21:25:52,989 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-02-18 21:25:53,010 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 21:25:53,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 21:25:53,011 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 21:25:53,011 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 21:25:53,012 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 21:25:53,012 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 21:25:53,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 21:25:53,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 21:25:53,013 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 21:25:53,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 21:25:53,014 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 21:25:53,014 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 21:25:53,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 21:25:53,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 21:25:53,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 21:25:53,015 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-18 21:25:53,015 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-18 21:25:53,015 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-18 21:25:53,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 21:25:53,016 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-18 21:25:53,016 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-18 21:25:53,016 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-18 21:25:53,016 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 21:25:53,016 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 21:25:53,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 21:25:53,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 21:25:53,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 21:25:53,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 21:25:53,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 21:25:53,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 21:25:53,018 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-18 21:25:53,018 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-18 21:25:53,018 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 21:25:53,018 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 21:25:53,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 21:25:53,018 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-18 21:25:53,019 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 21:25:53,019 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2023-02-18 21:25:53,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 21:25:53,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 21:25:53,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 21:25:53,309 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 21:25:53,310 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 21:25:53,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2023-02-18 21:25:54,297 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 21:25:54,447 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 21:25:54,448 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2023-02-18 21:25:54,458 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79467273f/9a0a3f7938704085b2526e82bfcaca5f/FLAG0502d0d7a [2023-02-18 21:25:54,467 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79467273f/9a0a3f7938704085b2526e82bfcaca5f [2023-02-18 21:25:54,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 21:25:54,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 21:25:54,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 21:25:54,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 21:25:54,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 21:25:54,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:25:54" (1/1) ... [2023-02-18 21:25:54,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38102164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:25:54, skipping insertion in model container [2023-02-18 21:25:54,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:25:54" (1/1) ... [2023-02-18 21:25:54,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 21:25:54,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 21:25:54,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 21:25:54,787 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-02-18 21:25:54,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 21:25:54,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 21:25:54,836 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 21:25:54,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 21:25:54,935 INFO L208 MainTranslator]: Completed translation [2023-02-18 21:25:54,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:25:54 WrapperNode [2023-02-18 21:25:54,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 21:25:54,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 21:25:54,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 21:25:54,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 21:25:54,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:25:54" (1/1) ... [2023-02-18 21:25:54,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:25:54" (1/1) ... [2023-02-18 21:25:54,964 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 23 [2023-02-18 21:25:54,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 21:25:54,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 21:25:54,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 21:25:54,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 21:25:54,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:25:54" (1/1) ... [2023-02-18 21:25:54,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:25:54" (1/1) ... [2023-02-18 21:25:54,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:25:54" (1/1) ... [2023-02-18 21:25:54,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:25:54" (1/1) ... [2023-02-18 21:25:54,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:25:54" (1/1) ... [2023-02-18 21:25:54,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:25:54" (1/1) ... [2023-02-18 21:25:54,977 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:25:54" (1/1) ... [2023-02-18 21:25:54,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:25:54" (1/1) ... [2023-02-18 21:25:54,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 21:25:54,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 21:25:54,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 21:25:54,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 21:25:54,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:25:54" (1/1) ... [2023-02-18 21:25:54,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 21:25:54,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 21:25:55,009 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) [2023-02-18 21:25:55,017 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 [2023-02-18 21:25:55,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-02-18 21:25:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-02-18 21:25:55,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-18 21:25:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 21:25:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-02-18 21:25:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 21:25:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 21:25:55,130 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 21:25:55,131 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 21:25:55,226 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 21:25:55,230 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 21:25:55,230 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-18 21:25:55,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:25:55 BoogieIcfgContainer [2023-02-18 21:25:55,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 21:25:55,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 21:25:55,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 21:25:55,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 21:25:55,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 09:25:54" (1/3) ... [2023-02-18 21:25:55,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a59020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 09:25:55, skipping insertion in model container [2023-02-18 21:25:55,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:25:54" (2/3) ... [2023-02-18 21:25:55,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a59020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 09:25:55, skipping insertion in model container [2023-02-18 21:25:55,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:25:55" (3/3) ... [2023-02-18 21:25:55,237 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test9_2.i [2023-02-18 21:25:55,256 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 21:25:55,256 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-18 21:25:55,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 21:25:55,300 INFO L357 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, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4c9cf0bb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 21:25:55,300 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-18 21:25:55,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 21:25:55,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-18 21:25:55,307 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 21:25:55,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 21:25:55,308 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-18 21:25:55,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 21:25:55,313 INFO L85 PathProgramCache]: Analyzing trace with hash 370410532, now seen corresponding path program 1 times [2023-02-18 21:25:55,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 21:25:55,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158752097] [2023-02-18 21:25:55,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 21:25:55,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-18 21:25:55,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 21:25:55,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-18 21:25:55,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-02-18 21:25:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 21:25:55,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 21:25:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 21:25:55,443 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-02-18 21:25:55,444 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-18 21:25:55,445 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2023-02-18 21:25:55,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-02-18 21:25:55,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-18 21:25:55,660 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-02-18 21:25:55,668 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 21:25:55,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 09:25:55 BoogieIcfgContainer [2023-02-18 21:25:55,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 21:25:55,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 21:25:55,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 21:25:55,682 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 21:25:55,683 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:25:55" (3/4) ... [2023-02-18 21:25:55,684 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-18 21:25:55,684 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 21:25:55,685 INFO L158 Benchmark]: Toolchain (without parser) took 1215.56ms. Allocated memory is still 96.5MB. Free memory was 71.4MB in the beginning and 67.4MB in the end (delta: 4.0MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-02-18 21:25:55,686 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory was 52.4MB in the beginning and 52.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 21:25:55,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.07ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 68.0MB in the end (delta: 3.2MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2023-02-18 21:25:55,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.64ms. Allocated memory is still 96.5MB. Free memory was 68.0MB in the beginning and 65.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 21:25:55,687 INFO L158 Benchmark]: Boogie Preprocessor took 14.30ms. Allocated memory is still 96.5MB. Free memory was 65.9MB in the beginning and 64.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 21:25:55,687 INFO L158 Benchmark]: RCFGBuilder took 251.81ms. Allocated memory is still 96.5MB. Free memory was 64.3MB in the beginning and 54.2MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-18 21:25:55,687 INFO L158 Benchmark]: TraceAbstraction took 447.50ms. Allocated memory is still 96.5MB. Free memory was 53.4MB in the beginning and 67.9MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 21:25:55,688 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 96.5MB. Free memory was 67.9MB in the beginning and 67.4MB in the end (delta: 532.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 21:25:55,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory was 52.4MB in the beginning and 52.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.07ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 68.0MB in the end (delta: 3.2MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.64ms. Allocated memory is still 96.5MB. Free memory was 68.0MB in the beginning and 65.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.30ms. Allocated memory is still 96.5MB. Free memory was 65.9MB in the beginning and 64.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 251.81ms. Allocated memory is still 96.5MB. Free memory was 64.3MB in the beginning and 54.2MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 447.50ms. Allocated memory is still 96.5MB. Free memory was 53.4MB in the beginning and 67.9MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 96.5MB. Free memory was 67.9MB in the beginning and 67.4MB in the end (delta: 532.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 769]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 769. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; VAL [a9={0:0}, ldv_global_msg_list={1:0}] [L770] CALL entry_point() [L766] CALL probe_9() [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a9={0:0}, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [a9={0:0}, ldv_global_msg_list={1:0}, ldv_malloc(sizeof(int))={2:0}] [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] COND TRUE \read(*a9) [L761] return 0; VAL [\result=0, a9={2:0}, ldv_global_msg_list={1:0}] [L766] RET probe_9() [L767] a9 = 0 VAL [a9={0:0}, ldv_global_msg_list={1:0}] [L770] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2023-02-18 21:25:55,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample