./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b ............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:41:51,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:41:51,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:41:51,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:41:51,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:41:51,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:41:51,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:41:51,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:41:51,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:41:51,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:41:51,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:41:51,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:41:51,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:41:51,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:41:51,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:41:51,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:41:51,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:41:51,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:41:51,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:41:51,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:41:51,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:41:51,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:41:51,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:41:51,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:41:51,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:41:51,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:41:51,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:41:51,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:41:51,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:41:51,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:41:51,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:41:51,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:41:51,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:41:51,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:41:51,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:41:51,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:41:51,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:41:51,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:41:51,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:41:51,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:41:51,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:41:51,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-29 05:41:51,990 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:41:51,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:41:51,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:41:52,000 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:41:52,000 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:41:52,000 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:41:52,001 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:41:52,001 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:41:52,001 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:41:52,001 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:41:52,003 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:41:52,003 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:41:52,004 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:41:52,004 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:41:52,004 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:41:52,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:41:52,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:41:52,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:41:52,006 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:41:52,006 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:41:52,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:41:52,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:41:52,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:41:52,007 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:41:52,007 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:41:52,008 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 05:41:52,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:41:52,010 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:41:52,011 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:41:52,011 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:41:52,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:41:52,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:41:52,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:41:52,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:41:52,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:41:52,013 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:41:52,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:41:52,013 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:41:52,014 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:41:52,014 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b [2021-10-29 05:41:52,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:41:52,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:41:52,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:41:52,358 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:41:52,359 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:41:52,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-10-29 05:41:52,459 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/data/103c017d1/3cf380b61db940eda00ba735fa6ca15b/FLAGa89378bc0 [2021-10-29 05:41:53,120 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:41:53,121 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-10-29 05:41:53,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/data/103c017d1/3cf380b61db940eda00ba735fa6ca15b/FLAGa89378bc0 [2021-10-29 05:41:53,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/data/103c017d1/3cf380b61db940eda00ba735fa6ca15b [2021-10-29 05:41:53,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:41:53,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:41:53,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:41:53,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:41:53,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:41:53,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:41:53" (1/1) ... [2021-10-29 05:41:53,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@281d2e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:53, skipping insertion in model container [2021-10-29 05:41:53,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:41:53" (1/1) ... [2021-10-29 05:41:53,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:41:53,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:41:53,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:41:53,958 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) [2021-10-29 05:41:53,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38f0b983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:53, skipping insertion in model container [2021-10-29 05:41:53,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:41:53,960 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:41:53,962 INFO L168 Benchmark]: Toolchain (without parser) took 623.46 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 56.2 MB in the beginning and 82.2 MB in the end (delta: -26.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:41:53,963 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory was 65.9 MB in the beginning and 65.9 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:41:53,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.48 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 55.9 MB in the beginning and 82.7 MB in the end (delta: -26.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:41:53,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory was 65.9 MB in the beginning and 65.9 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 620.48 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 55.9 MB in the beginning and 82.7 MB in the end (delta: -26.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:41:56,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:41:56,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:41:56,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:41:56,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:41:56,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:41:56,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:41:56,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:41:56,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:41:56,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:41:56,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:41:56,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:41:56,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:41:56,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:41:56,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:41:56,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:41:56,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:41:56,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:41:56,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:41:56,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:41:56,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:41:56,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:41:56,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:41:56,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:41:56,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:41:56,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:41:56,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:41:56,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:41:56,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:41:56,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:41:56,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:41:56,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:41:56,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:41:56,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:41:56,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:41:56,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:41:56,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:41:56,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:41:56,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:41:56,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:41:56,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:41:56,668 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-29 05:41:56,719 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:41:56,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:41:56,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:41:56,721 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:41:56,721 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:41:56,721 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:41:56,722 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:41:56,722 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:41:56,722 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:41:56,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:41:56,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:41:56,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:41:56,725 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:41:56,726 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:41:56,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:41:56,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:41:56,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:41:56,726 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:41:56,727 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:41:56,727 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 05:41:56,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:41:56,727 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:41:56,728 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:41:56,728 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:41:56,728 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:41:56,728 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:41:56,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:41:56,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:41:56,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:41:56,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:41:56,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:41:56,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:41:56,730 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:41:56,730 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:41:56,731 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:41:56,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:41:56,731 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_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b [2021-10-29 05:41:57,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:41:57,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:41:57,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:41:57,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:41:57,155 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:41:57,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-10-29 05:41:57,240 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/data/9a37a2cb7/115a790438f04e38a8a9a672175d2ea6/FLAGaffe1ec10 [2021-10-29 05:41:57,836 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:41:57,837 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-10-29 05:41:57,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/data/9a37a2cb7/115a790438f04e38a8a9a672175d2ea6/FLAGaffe1ec10 [2021-10-29 05:41:58,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/data/9a37a2cb7/115a790438f04e38a8a9a672175d2ea6 [2021-10-29 05:41:58,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:41:58,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:41:58,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:41:58,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:41:58,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:41:58,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:41:58" (1/1) ... [2021-10-29 05:41:58,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b832b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:58, skipping insertion in model container [2021-10-29 05:41:58,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:41:58" (1/1) ... [2021-10-29 05:41:58,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:41:58,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:41:58,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:41:58,665 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:41:58,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:41:58,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:41:58,777 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:41:58,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:41:58,916 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:41:58,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:58 WrapperNode [2021-10-29 05:41:58,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:41:58,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:41:58,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:41:58,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:41:58,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:58" (1/1) ... [2021-10-29 05:41:58,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:58" (1/1) ... [2021-10-29 05:41:59,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:41:59,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:41:59,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:41:59,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:41:59,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:58" (1/1) ... [2021-10-29 05:41:59,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:58" (1/1) ... [2021-10-29 05:41:59,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:58" (1/1) ... [2021-10-29 05:41:59,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:58" (1/1) ... [2021-10-29 05:41:59,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:58" (1/1) ... [2021-10-29 05:41:59,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:58" (1/1) ... [2021-10-29 05:41:59,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:58" (1/1) ... [2021-10-29 05:41:59,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:41:59,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:41:59,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:41:59,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:41:59,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:58" (1/1) ... [2021-10-29 05:41:59,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:41:59,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:41:59,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:41:59,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:41:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 05:41:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:41:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-29 05:41:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:41:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:41:59,575 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:41:59,575 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-29 05:41:59,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:41:59 BoogieIcfgContainer [2021-10-29 05:41:59,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:41:59,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:41:59,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:41:59,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:41:59,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:41:58" (1/3) ... [2021-10-29 05:41:59,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443ca17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:41:59, skipping insertion in model container [2021-10-29 05:41:59,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:58" (2/3) ... [2021-10-29 05:41:59,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443ca17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:41:59, skipping insertion in model container [2021-10-29 05:41:59,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:41:59" (3/3) ... [2021-10-29 05:41:59,597 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5_1.i [2021-10-29 05:41:59,605 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:41:59,605 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 05:41:59,674 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:41:59,683 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 [2021-10-29 05:41:59,683 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 05:41:59,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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) [2021-10-29 05:41:59,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 05:41:59,735 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:41:59,736 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-29 05:41:59,736 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-10-29 05:41:59,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:41:59,753 INFO L85 PathProgramCache]: Analyzing trace with hash 889508682, now seen corresponding path program 1 times [2021-10-29 05:41:59,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:41:59,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996545920] [2021-10-29 05:41:59,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:41:59,769 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:41:59,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:41:59,775 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:41:59,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:41:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:41:59,890 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:41:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:41:59,941 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-29 05:41:59,943 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:41:59,945 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-10-29 05:41:59,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:42:00,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:42:00,164 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-29 05:42:00,167 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:42:00,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:42:00 BoogieIcfgContainer [2021-10-29 05:42:00,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:42:00,195 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:42:00,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:42:00,196 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:42:00,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:41:59" (3/4) ... [2021-10-29 05:42:00,202 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 05:42:00,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:42:00,207 INFO L168 Benchmark]: Toolchain (without parser) took 2111.92 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 25.6 MB in the beginning and 27.4 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:42:00,210 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 50.3 MB. Free memory was 31.7 MB in the beginning and 31.7 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:42:00,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.33 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 25.4 MB in the beginning and 40.0 MB in the end (delta: -14.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:42:00,218 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.50 ms. Allocated memory is still 62.9 MB. Free memory was 39.8 MB in the beginning and 37.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:42:00,219 INFO L168 Benchmark]: Boogie Preprocessor took 26.90 ms. Allocated memory is still 62.9 MB. Free memory was 37.8 MB in the beginning and 36.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:42:00,220 INFO L168 Benchmark]: RCFGBuilder took 556.12 ms. Allocated memory is still 62.9 MB. Free memory was 36.5 MB in the beginning and 39.7 MB in the end (delta: -3.2 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:42:00,221 INFO L168 Benchmark]: TraceAbstraction took 604.54 ms. Allocated memory is still 62.9 MB. Free memory was 39.2 MB in the beginning and 27.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:42:00,222 INFO L168 Benchmark]: Witness Printer took 8.11 ms. Allocated memory is still 62.9 MB. Free memory was 27.6 MB in the beginning and 27.4 MB in the end (delta: 259.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:42:00,234 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 50.3 MB. Free memory was 31.7 MB in the beginning and 31.7 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 823.33 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 25.4 MB in the beginning and 40.0 MB in the end (delta: -14.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.50 ms. Allocated memory is still 62.9 MB. Free memory was 39.8 MB in the beginning and 37.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.90 ms. Allocated memory is still 62.9 MB. Free memory was 37.8 MB in the beginning and 36.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 556.12 ms. Allocated memory is still 62.9 MB. Free memory was 36.5 MB in the beginning and 39.7 MB in the end (delta: -3.2 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 604.54 ms. Allocated memory is still 62.9 MB. Free memory was 39.2 MB in the beginning and 27.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 8.11 ms. Allocated memory is still 62.9 MB. Free memory was 27.6 MB in the beginning and 27.4 MB in the end (delta: 259.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 763]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 763. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] int *p = (int *)ldv_malloc(sizeof(int)); - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-29 05:42:00,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875c908-2de6-4430-9b2c-043cde1f2690/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...