./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-18 21:19:53,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 21:19:53,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 21:19:53,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 21:19:53,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 21:19:53,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 21:19:53,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 21:19:53,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 21:19:53,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 21:19:53,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 21:19:53,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 21:19:53,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 21:19:53,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 21:19:53,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 21:19:53,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 21:19:53,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 21:19:53,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 21:19:53,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 21:19:53,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 21:19:53,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 21:19:53,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 21:19:53,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 21:19:53,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 21:19:53,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 21:19:53,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 21:19:53,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 21:19:53,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 21:19:53,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 21:19:53,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 21:19:53,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 21:19:53,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 21:19:53,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 21:19:53,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 21:19:53,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 21:19:53,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 21:19:53,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 21:19:53,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 21:19:53,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 21:19:53,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 21:19:53,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 21:19:53,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 21:19:53,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-18 21:19:53,384 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 21:19:53,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 21:19:53,385 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 21:19:53,385 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 21:19:53,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 21:19:53,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 21:19:53,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 21:19:53,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 21:19:53,386 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 21:19:53,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 21:19:53,387 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-18 21:19:53,387 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-18 21:19:53,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 21:19:53,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-18 21:19:53,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 21:19:53,387 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-18 21:19:53,387 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-18 21:19:53,388 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-18 21:19:53,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 21:19:53,388 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 21:19:53,388 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-18 21:19:53,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 21:19:53,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 21:19:53,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 21:19:53,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 21:19:53,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 21:19:53,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 21:19:53,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 21:19:53,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 21:19:53,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 21:19:53,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 21:19:53,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2021-12-18 21:19:53,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 21:19:53,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 21:19:53,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 21:19:53,625 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 21:19:53,625 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 21:19:53,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-12-18 21:19:53,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8e2f428c/c74dbcf4e89a4d829f9f3dd30b7cf2c4/FLAGb1b6ff66d [2021-12-18 21:19:54,076 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 21:19:54,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-12-18 21:19:54,087 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8e2f428c/c74dbcf4e89a4d829f9f3dd30b7cf2c4/FLAGb1b6ff66d [2021-12-18 21:19:54,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8e2f428c/c74dbcf4e89a4d829f9f3dd30b7cf2c4 [2021-12-18 21:19:54,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 21:19:54,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 21:19:54,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 21:19:54,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 21:19:54,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 21:19:54,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:19:54" (1/1) ... [2021-12-18 21:19:54,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a73ff12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:19:54, skipping insertion in model container [2021-12-18 21:19:54,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:19:54" (1/1) ... [2021-12-18 21:19:54,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 21:19:54,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 21:19:54,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 21:19:54,386 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-12-18 21:19:54,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7fe2021a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:19:54, skipping insertion in model container [2021-12-18 21:19:54,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 21:19:54,387 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-18 21:19:54,389 INFO L158 Benchmark]: Toolchain (without parser) took 289.83ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 79.7MB in the beginning and 104.7MB in the end (delta: -25.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-18 21:19:54,390 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 66.5MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:19:54,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.11ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 79.7MB in the beginning and 104.7MB in the end (delta: -25.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-18 21:19:54,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 66.5MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.11ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 79.7MB in the beginning and 104.7MB in the end (delta: -25.0MB). Peak memory consumption was 8.4MB. 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 where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- 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-tmp.no-commuhash-c3fed41 [2021-12-18 21:19:55,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 21:19:55,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 21:19:55,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 21:19:55,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 21:19:55,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 21:19:55,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 21:19:55,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 21:19:55,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 21:19:55,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 21:19:55,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 21:19:55,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 21:19:55,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 21:19:55,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 21:19:55,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 21:19:55,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 21:19:55,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 21:19:55,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 21:19:55,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 21:19:55,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 21:19:55,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 21:19:55,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 21:19:55,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 21:19:55,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 21:19:55,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 21:19:55,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 21:19:55,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 21:19:55,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 21:19:55,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 21:19:55,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 21:19:55,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 21:19:55,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 21:19:55,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 21:19:55,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 21:19:55,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 21:19:55,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 21:19:55,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 21:19:55,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 21:19:55,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 21:19:55,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 21:19:55,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 21:19:55,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-18 21:19:55,981 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 21:19:55,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 21:19:55,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 21:19:55,982 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 21:19:55,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 21:19:55,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 21:19:55,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 21:19:55,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 21:19:55,985 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 21:19:55,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 21:19:55,986 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-18 21:19:55,986 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-18 21:19:55,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 21:19:55,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-18 21:19:55,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 21:19:55,986 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-18 21:19:55,986 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-18 21:19:55,987 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-18 21:19:55,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 21:19:55,987 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 21:19:55,987 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-18 21:19:55,987 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-18 21:19:55,987 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-18 21:19:55,988 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 21:19:55,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 21:19:55,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 21:19:55,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 21:19:55,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 21:19:55,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 21:19:55,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 21:19:55,989 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-18 21:19:55,989 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-18 21:19:55,989 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 21:19:55,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-18 21:19:55,990 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2021-12-18 21:19:56,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 21:19:56,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 21:19:56,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 21:19:56,284 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 21:19:56,284 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 21:19:56,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-12-18 21:19:56,346 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c0105d9/4686febca13c47f6b7888c41dce0ab2f/FLAGb12060c14 [2021-12-18 21:19:56,821 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 21:19:56,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-12-18 21:19:56,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c0105d9/4686febca13c47f6b7888c41dce0ab2f/FLAGb12060c14 [2021-12-18 21:19:56,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c0105d9/4686febca13c47f6b7888c41dce0ab2f [2021-12-18 21:19:56,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 21:19:56,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 21:19:56,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 21:19:56,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 21:19:56,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 21:19:56,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:19:56" (1/1) ... [2021-12-18 21:19:56,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bab59f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:19:56, skipping insertion in model container [2021-12-18 21:19:56,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:19:56" (1/1) ... [2021-12-18 21:19:56,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 21:19:56,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 21:19:57,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 21:19:57,241 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-18 21:19:57,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 21:19:57,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 21:19:57,293 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 21:19:57,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 21:19:57,355 INFO L208 MainTranslator]: Completed translation [2021-12-18 21:19:57,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:19:57 WrapperNode [2021-12-18 21:19:57,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 21:19:57,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 21:19:57,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 21:19:57,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 21:19:57,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:19:57" (1/1) ... [2021-12-18 21:19:57,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:19:57" (1/1) ... [2021-12-18 21:19:57,387 INFO L137 Inliner]: procedures = 167, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 22 [2021-12-18 21:19:57,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 21:19:57,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 21:19:57,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 21:19:57,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 21:19:57,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:19:57" (1/1) ... [2021-12-18 21:19:57,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:19:57" (1/1) ... [2021-12-18 21:19:57,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:19:57" (1/1) ... [2021-12-18 21:19:57,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:19:57" (1/1) ... [2021-12-18 21:19:57,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:19:57" (1/1) ... [2021-12-18 21:19:57,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:19:57" (1/1) ... [2021-12-18 21:19:57,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:19:57" (1/1) ... [2021-12-18 21:19:57,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 21:19:57,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 21:19:57,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 21:19:57,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 21:19:57,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:19:57" (1/1) ... [2021-12-18 21:19:57,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 21:19:57,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 21:19:57,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 21:19:57,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 21:19:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 21:19:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 21:19:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 21:19:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 21:19:57,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 21:19:57,602 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 21:19:57,603 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 21:19:57,708 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 21:19:57,712 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 21:19:57,713 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 21:19:57,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:19:57 BoogieIcfgContainer [2021-12-18 21:19:57,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 21:19:57,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 21:19:57,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 21:19:57,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 21:19:57,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:19:56" (1/3) ... [2021-12-18 21:19:57,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e19a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:19:57, skipping insertion in model container [2021-12-18 21:19:57,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:19:57" (2/3) ... [2021-12-18 21:19:57,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e19a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:19:57, skipping insertion in model container [2021-12-18 21:19:57,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:19:57" (3/3) ... [2021-12-18 21:19:57,720 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test3-1.i [2021-12-18 21:19:57,724 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 21:19:57,724 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-12-18 21:19:57,764 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 21:19:57,770 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 21:19:57,771 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-18 21:19:57,781 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) [2021-12-18 21:19:57,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-18 21:19:57,785 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 21:19:57,786 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-18 21:19:57,786 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2021-12-18 21:19:57,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 21:19:57,790 INFO L85 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2021-12-18 21:19:57,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 21:19:57,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588251875] [2021-12-18 21:19:57,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 21:19:57,800 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 21:19:57,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 21:19:57,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 21:19:57,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-18 21:19:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 21:19:57,882 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-18 21:19:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 21:19:57,918 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-18 21:19:57,920 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-18 21:19:57,920 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE (3 of 4 remaining) [2021-12-18 21:19:57,922 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE (2 of 4 remaining) [2021-12-18 21:19:57,922 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (1 of 4 remaining) [2021-12-18 21:19:57,922 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2021-12-18 21:19:57,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-18 21:19:58,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 21:19:58,135 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-18 21:19:58,137 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 21:19:58,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 09:19:58 BoogieIcfgContainer [2021-12-18 21:19:58,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 21:19:58,158 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 21:19:58,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 21:19:58,159 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 21:19:58,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:19:57" (3/4) ... [2021-12-18 21:19:58,161 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-18 21:19:58,184 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-18 21:19:58,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 21:19:58,186 INFO L158 Benchmark]: Toolchain (without parser) took 1331.85ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 40.1MB in the beginning and 53.2MB in the end (delta: -13.1MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2021-12-18 21:19:58,187 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:19:58,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.28ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 40.0MB in the beginning and 59.0MB in the end (delta: -19.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-12-18 21:19:58,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.07ms. Allocated memory is still 77.6MB. Free memory was 58.9MB in the beginning and 56.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-18 21:19:58,191 INFO L158 Benchmark]: Boogie Preprocessor took 31.23ms. Allocated memory is still 77.6MB. Free memory was 56.6MB in the beginning and 55.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:19:58,191 INFO L158 Benchmark]: RCFGBuilder took 295.11ms. Allocated memory is still 77.6MB. Free memory was 55.4MB in the beginning and 46.1MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 21:19:58,191 INFO L158 Benchmark]: TraceAbstraction took 440.34ms. Allocated memory is still 77.6MB. Free memory was 45.6MB in the beginning and 54.9MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:19:58,192 INFO L158 Benchmark]: Witness Printer took 26.81ms. Allocated memory is still 77.6MB. Free memory was 54.9MB in the beginning and 53.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:19:58,193 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 60.8MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 499.28ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 40.0MB in the beginning and 59.0MB in the end (delta: -19.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.07ms. Allocated memory is still 77.6MB. Free memory was 58.9MB in the beginning and 56.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.23ms. Allocated memory is still 77.6MB. Free memory was 56.6MB in the beginning and 55.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 295.11ms. Allocated memory is still 77.6MB. Free memory was 55.4MB in the beginning and 46.1MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 440.34ms. Allocated memory is still 77.6MB. Free memory was 45.6MB in the beginning and 54.9MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 26.81ms. Allocated memory is still 77.6MB. Free memory was 54.9MB in the beginning and 53.2MB 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, PartialOrderReductionTime: 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! [2021-12-18 21:19:58,227 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)