./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 6c24879c 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-?-6c24879 [2022-07-12 18:57:54,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 18:57:54,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 18:57:54,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 18:57:54,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 18:57:54,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 18:57:54,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 18:57:54,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 18:57:54,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 18:57:54,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 18:57:54,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 18:57:54,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 18:57:54,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 18:57:54,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 18:57:54,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 18:57:54,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 18:57:54,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 18:57:54,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 18:57:54,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 18:57:54,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 18:57:54,380 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 18:57:54,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 18:57:54,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 18:57:54,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 18:57:54,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 18:57:54,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 18:57:54,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 18:57:54,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 18:57:54,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 18:57:54,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 18:57:54,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 18:57:54,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 18:57:54,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 18:57:54,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 18:57:54,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 18:57:54,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 18:57:54,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 18:57:54,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 18:57:54,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 18:57:54,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 18:57:54,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 18:57:54,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 18:57:54,395 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-07-12 18:57:54,420 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 18:57:54,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 18:57:54,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 18:57:54,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 18:57:54,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 18:57:54,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 18:57:54,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 18:57:54,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 18:57:54,423 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 18:57:54,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 18:57:54,424 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 18:57:54,424 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-12 18:57:54,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 18:57:54,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 18:57:54,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 18:57:54,425 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-12 18:57:54,425 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-12 18:57:54,425 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-12 18:57:54,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 18:57:54,425 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 18:57:54,426 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 18:57:54,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 18:57:54,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 18:57:54,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 18:57:54,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 18:57:54,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 18:57:54,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 18:57:54,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 18:57:54,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 18:57:54,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 18:57:54,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2022-07-12 18:57:54,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 18:57:54,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 18:57:54,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 18:57:54,639 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 18:57:54,640 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 18:57:54,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2022-07-12 18:57:54,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75796d8b6/6c79207a182d4acda33514cab9dbaad7/FLAG3f934c10d [2022-07-12 18:57:55,080 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 18:57:55,081 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2022-07-12 18:57:55,096 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75796d8b6/6c79207a182d4acda33514cab9dbaad7/FLAG3f934c10d [2022-07-12 18:57:55,106 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75796d8b6/6c79207a182d4acda33514cab9dbaad7 [2022-07-12 18:57:55,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 18:57:55,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 18:57:55,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 18:57:55,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 18:57:55,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 18:57:55,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:57:55" (1/1) ... [2022-07-12 18:57:55,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12126e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:57:55, skipping insertion in model container [2022-07-12 18:57:55,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:57:55" (1/1) ... [2022-07-12 18:57:55,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 18:57:55,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 18:57:55,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 18:57:55,475 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) [2022-07-12 18:57:55,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7854771d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:57:55, skipping insertion in model container [2022-07-12 18:57:55,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 18:57:55,477 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-12 18:57:55,479 INFO L158 Benchmark]: Toolchain (without parser) took 368.91ms. Allocated memory is still 98.6MB. Free memory was 64.5MB in the beginning and 70.4MB in the end (delta: -5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-12 18:57:55,480 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 18:57:55,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.34ms. Allocated memory is still 98.6MB. Free memory was 64.3MB in the beginning and 70.4MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-12 18:57:55,482 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.34ms. Allocated memory is still 98.6MB. Free memory was 64.3MB in the beginning and 70.4MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. 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-?-6c24879 [2022-07-12 18:57:56,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 18:57:56,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 18:57:56,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 18:57:56,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 18:57:56,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 18:57:56,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 18:57:56,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 18:57:56,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 18:57:56,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 18:57:56,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 18:57:56,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 18:57:56,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 18:57:56,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 18:57:56,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 18:57:56,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 18:57:56,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 18:57:56,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 18:57:56,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 18:57:56,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 18:57:56,904 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 18:57:56,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 18:57:56,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 18:57:56,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 18:57:56,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 18:57:56,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 18:57:56,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 18:57:56,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 18:57:56,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 18:57:56,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 18:57:56,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 18:57:56,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 18:57:56,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 18:57:56,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 18:57:56,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 18:57:56,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 18:57:56,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 18:57:56,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 18:57:56,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 18:57:56,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 18:57:56,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 18:57:56,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 18:57:56,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-07-12 18:57:56,931 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 18:57:56,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 18:57:56,931 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 18:57:56,931 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 18:57:56,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 18:57:56,932 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 18:57:56,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 18:57:56,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 18:57:56,933 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 18:57:56,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 18:57:56,933 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 18:57:56,936 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-12 18:57:56,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 18:57:56,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 18:57:56,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 18:57:56,937 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-12 18:57:56,937 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-12 18:57:56,937 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-12 18:57:56,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 18:57:56,938 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 18:57:56,938 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 18:57:56,938 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 18:57:56,938 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 18:57:56,938 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 18:57:56,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 18:57:56,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 18:57:56,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 18:57:56,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 18:57:56,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 18:57:56,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 18:57:56,940 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 18:57:56,940 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 18:57:56,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 18:57:56,940 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2022-07-12 18:57:57,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 18:57:57,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 18:57:57,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 18:57:57,193 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 18:57:57,193 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 18:57:57,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2022-07-12 18:57:57,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2669cf1/e0ae4f8209bd482998d6e843e1374f0e/FLAG7f0a4f620 [2022-07-12 18:57:57,645 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 18:57:57,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2022-07-12 18:57:57,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2669cf1/e0ae4f8209bd482998d6e843e1374f0e/FLAG7f0a4f620 [2022-07-12 18:57:57,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2669cf1/e0ae4f8209bd482998d6e843e1374f0e [2022-07-12 18:57:57,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 18:57:57,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 18:57:57,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 18:57:57,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 18:57:57,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 18:57:57,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:57:57" (1/1) ... [2022-07-12 18:57:57,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a797e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:57:57, skipping insertion in model container [2022-07-12 18:57:57,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:57:57" (1/1) ... [2022-07-12 18:57:57,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 18:57:57,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 18:57:58,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 18:57:58,026 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 18:57:58,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 18:57:58,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 18:57:58,101 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 18:57:58,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 18:57:58,193 INFO L208 MainTranslator]: Completed translation [2022-07-12 18:57:58,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:57:58 WrapperNode [2022-07-12 18:57:58,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 18:57:58,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 18:57:58,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 18:57:58,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 18:57:58,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:57:58" (1/1) ... [2022-07-12 18:57:58,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:57:58" (1/1) ... [2022-07-12 18:57:58,244 INFO L137 Inliner]: procedures = 167, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 22 [2022-07-12 18:57:58,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 18:57:58,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 18:57:58,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 18:57:58,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 18:57:58,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:57:58" (1/1) ... [2022-07-12 18:57:58,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:57:58" (1/1) ... [2022-07-12 18:57:58,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:57:58" (1/1) ... [2022-07-12 18:57:58,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:57:58" (1/1) ... [2022-07-12 18:57:58,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:57:58" (1/1) ... [2022-07-12 18:57:58,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:57:58" (1/1) ... [2022-07-12 18:57:58,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:57:58" (1/1) ... [2022-07-12 18:57:58,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 18:57:58,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 18:57:58,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 18:57:58,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 18:57:58,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:57:58" (1/1) ... [2022-07-12 18:57:58,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 18:57:58,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 18:57:58,314 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) [2022-07-12 18:57:58,320 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 [2022-07-12 18:57:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 18:57:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 18:57:58,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 18:57:58,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 18:57:58,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 18:57:58,454 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 18:57:58,455 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 18:57:58,553 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 18:57:58,557 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 18:57:58,557 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 18:57:58,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:57:58 BoogieIcfgContainer [2022-07-12 18:57:58,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 18:57:58,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 18:57:58,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 18:57:58,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 18:57:58,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:57:57" (1/3) ... [2022-07-12 18:57:58,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562be7b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:57:58, skipping insertion in model container [2022-07-12 18:57:58,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:57:58" (2/3) ... [2022-07-12 18:57:58,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562be7b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:57:58, skipping insertion in model container [2022-07-12 18:57:58,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:57:58" (3/3) ... [2022-07-12 18:57:58,564 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test3-1.i [2022-07-12 18:57:58,580 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 18:57:58,580 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-12 18:57:58,606 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 18:57:58,620 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5c5a8591, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5a8a7682 [2022-07-12 18:57:58,620 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-12 18:57:58,628 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) [2022-07-12 18:57:58,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-07-12 18:57:58,635 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 18:57:58,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-07-12 18:57:58,636 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)] === [2022-07-12 18:57:58,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 18:57:58,643 INFO L85 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2022-07-12 18:57:58,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 18:57:58,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508497649] [2022-07-12 18:57:58,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 18:57:58,652 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 18:57:58,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 18:57:58,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 18:57:58,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 18:57:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 18:57:58,727 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 18:57:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 18:57:58,747 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-12 18:57:58,748 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 18:57:58,749 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE (3 of 4 remaining) [2022-07-12 18:57:58,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE (2 of 4 remaining) [2022-07-12 18:57:58,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (1 of 4 remaining) [2022-07-12 18:57:58,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2022-07-12 18:57:58,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 18:57:58,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 18:57:58,960 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-12 18:57:58,963 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 18:57:58,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 06:57:58 BoogieIcfgContainer [2022-07-12 18:57:58,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 18:57:58,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 18:57:58,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 18:57:58,978 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 18:57:58,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:57:58" (3/4) ... [2022-07-12 18:57:58,980 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-12 18:57:59,007 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 18:57:59,008 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 18:57:59,008 INFO L158 Benchmark]: Toolchain (without parser) took 1333.20ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.8MB in the beginning and 34.8MB in the end (delta: -3.0MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-07-12 18:57:59,009 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 53.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 18:57:59,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.75ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.6MB in the beginning and 45.1MB in the end (delta: -13.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-07-12 18:57:59,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.66ms. Allocated memory is still 67.1MB. Free memory was 45.0MB in the beginning and 42.7MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 18:57:59,010 INFO L158 Benchmark]: Boogie Preprocessor took 38.05ms. Allocated memory is still 67.1MB. Free memory was 42.7MB in the beginning and 41.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 18:57:59,010 INFO L158 Benchmark]: RCFGBuilder took 274.57ms. Allocated memory is still 67.1MB. Free memory was 41.5MB in the beginning and 32.0MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-12 18:57:59,010 INFO L158 Benchmark]: TraceAbstraction took 416.55ms. Allocated memory is still 67.1MB. Free memory was 31.5MB in the beginning and 36.5MB in the end (delta: -4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 18:57:59,011 INFO L158 Benchmark]: Witness Printer took 29.83ms. Allocated memory is still 67.1MB. Free memory was 36.5MB in the beginning and 34.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 18:57:59,012 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 54.5MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 53.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 517.75ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.6MB in the beginning and 45.1MB in the end (delta: -13.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.66ms. Allocated memory is still 67.1MB. Free memory was 45.0MB in the beginning and 42.7MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.05ms. Allocated memory is still 67.1MB. Free memory was 42.7MB in the beginning and 41.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 274.57ms. Allocated memory is still 67.1MB. Free memory was 41.5MB in the beginning and 32.0MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 416.55ms. Allocated memory is still 67.1MB. Free memory was 31.5MB in the beginning and 36.5MB in the end (delta: -4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 29.83ms. Allocated memory is still 67.1MB. Free memory was 36.5MB in the beginning and 34.8MB in the end (delta: 1.6MB). There was no memory consumed. 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! [2022-07-12 18:57:59,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- 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)