./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa --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-hotfix-svcomp22-839c364 [2021-12-06 19:02:17,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:02:17,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:02:17,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:02:17,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:02:17,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:02:17,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:02:17,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:02:17,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:02:17,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:02:17,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:02:17,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:02:17,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:02:17,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:02:17,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:02:17,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:02:17,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:02:17,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:02:17,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:02:17,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:02:17,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:02:17,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:02:17,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:02:17,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:02:17,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:02:17,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:02:17,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:02:17,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:02:17,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:02:17,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:02:17,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:02:17,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:02:17,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:02:17,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:02:17,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:02:17,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:02:17,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:02:17,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:02:17,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:02:17,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:02:17,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:02:17,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-06 19:02:17,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:02:17,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:02:17,959 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:02:17,959 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:02:17,959 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:02:17,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:02:17,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:02:17,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:02:17,960 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:02:17,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:02:17,960 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:02:17,961 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 19:02:17,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:02:17,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:02:17,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:02:17,961 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-06 19:02:17,961 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-06 19:02:17,961 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-06 19:02:17,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:02:17,961 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 19:02:17,962 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:02:17,962 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:02:17,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:02:17,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:02:17,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:02:17,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:02:17,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:02:17,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:02:17,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:02:17,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:02:17,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:02:17,963 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2021-12-06 19:02:18,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:02:18,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:02:18,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:02:18,176 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:02:18,176 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:02:18,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-12-06 19:02:18,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/data/6b04ff2a7/ffe686cb416c4307a715a02be597db5a/FLAGe117cd572 [2021-12-06 19:02:18,676 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:02:18,677 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-12-06 19:02:18,688 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/data/6b04ff2a7/ffe686cb416c4307a715a02be597db5a/FLAGe117cd572 [2021-12-06 19:02:18,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/data/6b04ff2a7/ffe686cb416c4307a715a02be597db5a [2021-12-06 19:02:18,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:02:18,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:02:18,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:02:18,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:02:18,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:02:18,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:02:18" (1/1) ... [2021-12-06 19:02:18,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306a9bd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:18, skipping insertion in model container [2021-12-06 19:02:18,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:02:18" (1/1) ... [2021-12-06 19:02:18,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:02:18,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:02:18,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:02:19,003 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) [2021-12-06 19:02:19,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49a285c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:19, skipping insertion in model container [2021-12-06 19:02:19,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:02:19,004 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-06 19:02:19,005 INFO L158 Benchmark]: Toolchain (without parser) took 301.33ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 29.4MB in the beginning and 88.2MB in the end (delta: -58.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:02:19,006 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 73.4MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:02:19,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.49ms. Allocated memory is still 119.5MB. Free memory was 99.4MB in the beginning and 88.2MB in the end (delta: 11.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2021-12-06 19:02:19,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 73.4MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.49ms. Allocated memory is still 119.5MB. Free memory was 99.4MB in the beginning and 88.2MB in the end (delta: 11.2MB). Peak memory consumption was 12.8MB. 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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa --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-hotfix-svcomp22-839c364 [2021-12-06 19:02:20,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:02:20,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:02:20,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:02:20,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:02:20,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:02:20,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:02:20,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:02:20,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:02:20,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:02:20,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:02:20,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:02:20,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:02:20,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:02:20,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:02:20,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:02:20,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:02:20,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:02:20,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:02:20,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:02:20,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:02:20,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:02:20,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:02:20,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:02:20,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:02:20,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:02:20,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:02:20,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:02:20,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:02:20,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:02:20,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:02:20,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:02:20,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:02:20,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:02:20,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:02:20,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:02:20,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:02:20,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:02:20,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:02:20,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:02:20,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:02:20,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-06 19:02:20,470 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:02:20,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:02:20,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:02:20,471 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:02:20,471 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:02:20,471 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:02:20,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:02:20,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:02:20,472 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:02:20,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:02:20,472 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:02:20,472 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 19:02:20,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:02:20,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:02:20,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:02:20,473 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-06 19:02:20,473 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-06 19:02:20,473 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-06 19:02:20,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:02:20,473 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 19:02:20,474 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 19:02:20,474 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 19:02:20,474 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:02:20,474 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:02:20,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:02:20,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:02:20,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:02:20,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:02:20,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:02:20,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:02:20,475 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 19:02:20,475 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 19:02:20,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:02:20,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 19:02:20,475 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2021-12-06 19:02:20,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:02:20,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:02:20,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:02:20,708 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:02:20,708 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:02:20,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-12-06 19:02:20,751 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/data/3ca4cd49d/3ea0f9a31b18438eb64ca3af828d93bf/FLAG50f3ab6af [2021-12-06 19:02:21,135 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:02:21,135 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-12-06 19:02:21,149 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/data/3ca4cd49d/3ea0f9a31b18438eb64ca3af828d93bf/FLAG50f3ab6af [2021-12-06 19:02:21,476 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/data/3ca4cd49d/3ea0f9a31b18438eb64ca3af828d93bf [2021-12-06 19:02:21,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:02:21,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:02:21,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:02:21,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:02:21,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:02:21,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:02:21" (1/1) ... [2021-12-06 19:02:21,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42646250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:21, skipping insertion in model container [2021-12-06 19:02:21,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:02:21" (1/1) ... [2021-12-06 19:02:21,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:02:21,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:02:21,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:02:21,816 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-06 19:02:21,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:02:21,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:02:21,880 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:02:21,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:02:21,963 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:02:21,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:21 WrapperNode [2021-12-06 19:02:21,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:02:21,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:02:21,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:02:21,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:02:21,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:21" (1/1) ... [2021-12-06 19:02:21,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:21" (1/1) ... [2021-12-06 19:02:22,008 INFO L137 Inliner]: procedures = 167, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 22 [2021-12-06 19:02:22,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:02:22,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:02:22,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:02:22,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:02:22,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:21" (1/1) ... [2021-12-06 19:02:22,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:21" (1/1) ... [2021-12-06 19:02:22,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:21" (1/1) ... [2021-12-06 19:02:22,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:21" (1/1) ... [2021-12-06 19:02:22,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:21" (1/1) ... [2021-12-06 19:02:22,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:21" (1/1) ... [2021-12-06 19:02:22,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:21" (1/1) ... [2021-12-06 19:02:22,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:02:22,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:02:22,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:02:22,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:02:22,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:21" (1/1) ... [2021-12-06 19:02:22,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:02:22,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:02:22,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:02:22,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:02:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:02:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:02:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 19:02:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:02:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:02:22,156 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:02:22,157 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:02:22,216 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:02:22,220 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:02:22,220 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 19:02:22,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:02:22 BoogieIcfgContainer [2021-12-06 19:02:22,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:02:22,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:02:22,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:02:22,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:02:22,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:02:21" (1/3) ... [2021-12-06 19:02:22,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74884cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:02:22, skipping insertion in model container [2021-12-06 19:02:22,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:21" (2/3) ... [2021-12-06 19:02:22,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74884cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:02:22, skipping insertion in model container [2021-12-06 19:02:22,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:02:22" (3/3) ... [2021-12-06 19:02:22,227 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test3-1.i [2021-12-06 19:02:22,231 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:02:22,231 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-12-06 19:02:22,270 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:02:22,274 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 [2021-12-06 19:02:22,275 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-06 19:02:22,284 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) [2021-12-06 19:02:22,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-06 19:02:22,289 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:02:22,289 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-06 19:02:22,290 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)] === [2021-12-06 19:02:22,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:22,294 INFO L85 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2021-12-06 19:02:22,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:02:22,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334538336] [2021-12-06 19:02:22,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:22,303 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:02:22,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:02:22,304 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:02:22,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 19:02:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:02:22,352 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:02:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:02:22,376 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-06 19:02:22,378 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 19:02:22,379 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE (3 of 4 remaining) [2021-12-06 19:02:22,380 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE (2 of 4 remaining) [2021-12-06 19:02:22,380 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (1 of 4 remaining) [2021-12-06 19:02:22,381 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2021-12-06 19:02:22,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:02:22,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:02:22,585 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-06 19:02:22,587 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 19:02:22,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:02:22 BoogieIcfgContainer [2021-12-06 19:02:22,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 19:02:22,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:02:22,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:02:22,600 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:02:22,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:02:22" (3/4) ... [2021-12-06 19:02:22,602 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-06 19:02:22,624 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 19:02:22,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:02:22,625 INFO L158 Benchmark]: Toolchain (without parser) took 1146.22ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 25.4MB in the beginning and 30.8MB in the end (delta: -5.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-12-06 19:02:22,625 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 50.3MB. Free memory is still 31.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:02:22,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.70ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 25.2MB in the beginning and 39.8MB in the end (delta: -14.7MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2021-12-06 19:02:22,626 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.11ms. Allocated memory is still 62.9MB. Free memory was 39.8MB in the beginning and 37.5MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 19:02:22,626 INFO L158 Benchmark]: Boogie Preprocessor took 20.82ms. Allocated memory is still 62.9MB. Free memory was 37.5MB in the beginning and 36.5MB in the end (delta: 973.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:02:22,627 INFO L158 Benchmark]: RCFGBuilder took 191.17ms. Allocated memory is still 62.9MB. Free memory was 36.5MB in the beginning and 27.0MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 19:02:22,627 INFO L158 Benchmark]: TraceAbstraction took 375.91ms. Allocated memory is still 62.9MB. Free memory was 26.4MB in the beginning and 32.3MB in the end (delta: -5.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:02:22,627 INFO L158 Benchmark]: Witness Printer took 24.66ms. Allocated memory is still 62.9MB. Free memory was 32.3MB in the beginning and 30.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:02:22,629 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 50.3MB. Free memory is still 31.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.70ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 25.2MB in the beginning and 39.8MB in the end (delta: -14.7MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.11ms. Allocated memory is still 62.9MB. Free memory was 39.8MB in the beginning and 37.5MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.82ms. Allocated memory is still 62.9MB. Free memory was 37.5MB in the beginning and 36.5MB in the end (delta: 973.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 191.17ms. Allocated memory is still 62.9MB. Free memory was 36.5MB in the beginning and 27.0MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 375.91ms. Allocated memory is still 62.9MB. Free memory was 26.4MB in the beginning and 32.3MB in the end (delta: -5.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 24.66ms. Allocated memory is still 62.9MB. Free memory was 32.3MB in the beginning and 30.8MB in the end (delta: 1.5MB). 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: 0.3s, 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! [2021-12-06 19:02:22,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1985146b-3444-4f02-9971-6b0de5f07e2c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free)