./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.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_test3-1.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 c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-18 21:23:51,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 21:23:51,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 21:23:51,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 21:23:51,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 21:23:51,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 21:23:51,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 21:23:51,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 21:23:51,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 21:23:51,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 21:23:51,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 21:23:51,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 21:23:51,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 21:23:51,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 21:23:51,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 21:23:51,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 21:23:51,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 21:23:51,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 21:23:51,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 21:23:51,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 21:23:51,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 21:23:51,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 21:23:51,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 21:23:51,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 21:23:51,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 21:23:51,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 21:23:51,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 21:23:51,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 21:23:51,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 21:23:51,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 21:23:51,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 21:23:51,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 21:23:51,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 21:23:51,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 21:23:51,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 21:23:51,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 21:23:51,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 21:23:51,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 21:23:51,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 21:23:51,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 21:23:51,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 21:23:51,597 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-02-18 21:23:51,615 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 21:23:51,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 21:23:51,616 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 21:23:51,616 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 21:23:51,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 21:23:51,617 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 21:23:51,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 21:23:51,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 21:23:51,617 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 21:23:51,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 21:23:51,618 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 21:23:51,618 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 21:23:51,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 21:23:51,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 21:23:51,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 21:23:51,619 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-18 21:23:51,619 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-18 21:23:51,619 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-18 21:23:51,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 21:23:51,620 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-18 21:23:51,620 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 21:23:51,620 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 21:23:51,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 21:23:51,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 21:23:51,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 21:23:51,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 21:23:51,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 21:23:51,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 21:23:51,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 21:23:51,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 21:23:51,622 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 21:23:51,622 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 21:23:51,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 21:23:51,623 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 21:23:51,623 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2023-02-18 21:23:51,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 21:23:51,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 21:23:51,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 21:23:51,830 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 21:23:51,830 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 21:23:51,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2023-02-18 21:23:52,925 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 21:23:53,137 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 21:23:53,143 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2023-02-18 21:23:53,166 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92d8e4ac3/7641f70ef81841a7b38f128c7ed10dcb/FLAG21ba4e898 [2023-02-18 21:23:53,178 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92d8e4ac3/7641f70ef81841a7b38f128c7ed10dcb [2023-02-18 21:23:53,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 21:23:53,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 21:23:53,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 21:23:53,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 21:23:53,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 21:23:53,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:23:53" (1/1) ... [2023-02-18 21:23:53,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea95238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:23:53, skipping insertion in model container [2023-02-18 21:23:53,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:23:53" (1/1) ... [2023-02-18 21:23:53,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 21:23:53,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 21:23:53,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 21:23:53,573 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 21:23:53,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5eebc65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:23:53, skipping insertion in model container [2023-02-18 21:23:53,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 21:23:53,575 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-18 21:23:53,577 INFO L158 Benchmark]: Toolchain (without parser) took 394.50ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 59.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-02-18 21:23:53,577 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 21:23:53,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.76ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 59.3MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-02-18 21:23:53,580 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.76ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 59.3MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: 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_test3-1.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 c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-18 21:23:55,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 21:23:55,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 21:23:55,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 21:23:55,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 21:23:55,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 21:23:55,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 21:23:55,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 21:23:55,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 21:23:55,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 21:23:55,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 21:23:55,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 21:23:55,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 21:23:55,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 21:23:55,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 21:23:55,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 21:23:55,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 21:23:55,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 21:23:55,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 21:23:55,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 21:23:55,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 21:23:55,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 21:23:55,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 21:23:55,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 21:23:55,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 21:23:55,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 21:23:55,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 21:23:55,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 21:23:55,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 21:23:55,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 21:23:55,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 21:23:55,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 21:23:55,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 21:23:55,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 21:23:55,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 21:23:55,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 21:23:55,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 21:23:55,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 21:23:55,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 21:23:55,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 21:23:55,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 21:23:55,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-02-18 21:23:55,427 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 21:23:55,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 21:23:55,428 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 21:23:55,428 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 21:23:55,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 21:23:55,429 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 21:23:55,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 21:23:55,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 21:23:55,430 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 21:23:55,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 21:23:55,431 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 21:23:55,431 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 21:23:55,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 21:23:55,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 21:23:55,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 21:23:55,432 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-18 21:23:55,432 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-18 21:23:55,432 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-18 21:23:55,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 21:23:55,433 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-18 21:23:55,433 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-18 21:23:55,433 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-18 21:23:55,433 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 21:23:55,433 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 21:23:55,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 21:23:55,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 21:23:55,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 21:23:55,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 21:23:55,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 21:23:55,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 21:23:55,435 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-18 21:23:55,435 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-18 21:23:55,435 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 21:23:55,435 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 21:23:55,435 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 21:23:55,436 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-18 21:23:55,436 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 21:23:55,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2023-02-18 21:23:55,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 21:23:55,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 21:23:55,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 21:23:55,760 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 21:23:55,760 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 21:23:55,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2023-02-18 21:23:57,021 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 21:23:57,266 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 21:23:57,266 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2023-02-18 21:23:57,278 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39bd112b5/b27c5a1a4d3a4e2692bf447dd424a45e/FLAG619c53c78 [2023-02-18 21:23:57,292 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39bd112b5/b27c5a1a4d3a4e2692bf447dd424a45e [2023-02-18 21:23:57,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 21:23:57,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 21:23:57,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 21:23:57,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 21:23:57,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 21:23:57,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:23:57" (1/1) ... [2023-02-18 21:23:57,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166b2b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:23:57, skipping insertion in model container [2023-02-18 21:23:57,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:23:57" (1/1) ... [2023-02-18 21:23:57,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 21:23:57,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 21:23:57,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 21:23:57,658 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-02-18 21:23:57,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 21:23:57,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 21:23:57,702 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 21:23:57,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 21:23:57,768 INFO L208 MainTranslator]: Completed translation [2023-02-18 21:23:57,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:23:57 WrapperNode [2023-02-18 21:23:57,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 21:23:57,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 21:23:57,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 21:23:57,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 21:23:57,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:23:57" (1/1) ... [2023-02-18 21:23:57,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:23:57" (1/1) ... [2023-02-18 21:23:57,805 INFO L138 Inliner]: procedures = 167, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 22 [2023-02-18 21:23:57,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 21:23:57,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 21:23:57,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 21:23:57,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 21:23:57,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:23:57" (1/1) ... [2023-02-18 21:23:57,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:23:57" (1/1) ... [2023-02-18 21:23:57,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:23:57" (1/1) ... [2023-02-18 21:23:57,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:23:57" (1/1) ... [2023-02-18 21:23:57,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:23:57" (1/1) ... [2023-02-18 21:23:57,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:23:57" (1/1) ... [2023-02-18 21:23:57,824 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:23:57" (1/1) ... [2023-02-18 21:23:57,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:23:57" (1/1) ... [2023-02-18 21:23:57,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 21:23:57,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 21:23:57,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 21:23:57,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 21:23:57,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:23:57" (1/1) ... [2023-02-18 21:23:57,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 21:23:57,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 21:23:57,869 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 21:23:57,895 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 21:23:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 21:23:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-18 21:23:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-02-18 21:23:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 21:23:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 21:23:58,007 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 21:23:58,009 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 21:23:58,082 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 21:23:58,086 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 21:23:58,086 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-18 21:23:58,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:23:58 BoogieIcfgContainer [2023-02-18 21:23:58,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 21:23:58,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 21:23:58,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 21:23:58,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 21:23:58,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 09:23:57" (1/3) ... [2023-02-18 21:23:58,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186ff7cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 09:23:58, skipping insertion in model container [2023-02-18 21:23:58,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:23:57" (2/3) ... [2023-02-18 21:23:58,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186ff7cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 09:23:58, skipping insertion in model container [2023-02-18 21:23:58,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:23:58" (3/3) ... [2023-02-18 21:23:58,095 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test3-1.i [2023-02-18 21:23:58,109 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 21:23:58,109 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-02-18 21:23:58,141 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 21:23:58,146 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;@4e81f930, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 21:23:58,151 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-02-18 21:23:58,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 10 states have (on average 1.5) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 21:23:58,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-18 21:23:58,171 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 21:23:58,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-18 21:23:58,172 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2023-02-18 21:23:58,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 21:23:58,176 INFO L85 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2023-02-18 21:23:58,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 21:23:58,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003594975] [2023-02-18 21:23:58,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 21:23:58,190 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 21:23:58,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 21:23:58,205 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 21:23:58,255 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 21:23:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 21:23:58,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 21:23:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 21:23:58,328 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-02-18 21:23:58,330 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-18 21:23:58,331 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE (3 of 4 remaining) [2023-02-18 21:23:58,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE (2 of 4 remaining) [2023-02-18 21:23:58,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (1 of 4 remaining) [2023-02-18 21:23:58,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2023-02-18 21:23:58,348 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 21:23:58,545 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 21:23:58,548 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-02-18 21:23:58,553 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 21:23:58,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 09:23:58 BoogieIcfgContainer [2023-02-18 21:23:58,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 21:23:58,572 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 21:23:58,572 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 21:23:58,573 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 21:23:58,573 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:23:58" (3/4) ... [2023-02-18 21:23:58,576 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-18 21:23:58,618 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-18 21:23:58,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 21:23:58,625 INFO L158 Benchmark]: Toolchain (without parser) took 1329.43ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 37.1MB in the beginning and 48.8MB in the end (delta: -11.7MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-02-18 21:23:58,626 INFO L158 Benchmark]: CDTParser took 1.43ms. Allocated memory is still 71.3MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 21:23:58,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.40ms. Allocated memory is still 71.3MB. Free memory was 36.9MB in the beginning and 32.4MB in the end (delta: 4.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-02-18 21:23:58,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.09ms. Allocated memory is still 71.3MB. Free memory was 32.4MB in the beginning and 30.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 21:23:58,628 INFO L158 Benchmark]: Boogie Preprocessor took 24.94ms. Allocated memory is still 71.3MB. Free memory was 30.3MB in the beginning and 28.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 21:23:58,629 INFO L158 Benchmark]: RCFGBuilder took 255.81ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 28.8MB in the beginning and 64.0MB in the end (delta: -35.3MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2023-02-18 21:23:58,629 INFO L158 Benchmark]: TraceAbstraction took 479.85ms. Allocated memory is still 94.4MB. Free memory was 63.0MB in the beginning and 50.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-18 21:23:58,630 INFO L158 Benchmark]: Witness Printer took 52.43ms. Allocated memory is still 94.4MB. Free memory was 50.8MB in the beginning and 48.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 21:23:58,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43ms. Allocated memory is still 71.3MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.40ms. Allocated memory is still 71.3MB. Free memory was 36.9MB in the beginning and 32.4MB in the end (delta: 4.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.09ms. Allocated memory is still 71.3MB. Free memory was 32.4MB in the beginning and 30.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.94ms. Allocated memory is still 71.3MB. Free memory was 30.3MB in the beginning and 28.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 255.81ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 28.8MB in the beginning and 64.0MB in the end (delta: -35.3MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * TraceAbstraction took 479.85ms. Allocated memory is still 94.4MB. Free memory was 63.0MB in the beginning and 50.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 52.43ms. Allocated memory is still 94.4MB. Free memory was 50.8MB in the beginning and 48.8MB in the end (delta: 1.9MB). 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 - CounterExampleResult [Line: 763]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={1:0}] [L766] CALL entry_point() [L762] CALL, EXPR h_unsafe() [L759] return (int *)__VERIFIER_nondet_ulong(); [L762] RET, EXPR h_unsafe() [L762] int *p = h_unsafe(); [L763] COND TRUE \read(*p) VAL [ldv_global_msg_list={1:0}, p={0:-2147483648}] [L763] free(p) VAL [ldv_global_msg_list={1:0}, p={0:-2147483648}] - 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: 765]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 4 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, 5 NumberOfCodeBlocks, 5 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 proved your program to be incorrect! [2023-02-18 21:23:58,657 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free)