./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a --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 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:20:03,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:20:03,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:20:03,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:20:03,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:20:03,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:20:03,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:20:03,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:20:03,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:20:03,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:20:03,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:20:03,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:20:03,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:20:03,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:20:03,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:20:03,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:20:03,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:20:03,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:20:03,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:20:03,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:20:03,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:20:03,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:20:03,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:20:03,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:20:03,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:20:03,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:20:03,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:20:03,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:20:03,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:20:03,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:20:03,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:20:03,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:20:03,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:20:03,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:20:03,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:20:03,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:20:03,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:20:03,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:20:03,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:20:03,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:20:03,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:20:03,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-21 16:20:04,014 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:20:04,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:20:04,015 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:20:04,015 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:20:04,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:20:04,016 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:20:04,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:20:04,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:20:04,018 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:20:04,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:20:04,018 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:20:04,019 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:20:04,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:20:04,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:20:04,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:20:04,020 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-21 16:20:04,020 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-21 16:20:04,020 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-21 16:20:04,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:20:04,021 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 16:20:04,021 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:20:04,021 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:20:04,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:20:04,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:20:04,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:20:04,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:20:04,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:20:04,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:20:04,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:20:04,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:20:04,023 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_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2022-11-21 16:20:04,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:20:04,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:20:04,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:20:04,311 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:20:04,311 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:20:04,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2022-11-21 16:20:07,363 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:20:07,660 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:20:07,661 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2022-11-21 16:20:07,676 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/data/e9b185b58/113985022eb74dd594ef2cbe1d0f730b/FLAG2e8f2454d [2022-11-21 16:20:07,699 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/data/e9b185b58/113985022eb74dd594ef2cbe1d0f730b [2022-11-21 16:20:07,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:20:07,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:20:07,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:20:07,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:20:07,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:20:07,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:20:07" (1/1) ... [2022-11-21 16:20:07,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141ba7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:07, skipping insertion in model container [2022-11-21 16:20:07,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:20:07" (1/1) ... [2022-11-21 16:20:07,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:20:07,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:20:08,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:20:08,296 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-21 16:20:08,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a15d52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:08, skipping insertion in model container [2022-11-21 16:20:08,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:20:08,298 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-21 16:20:08,300 INFO L158 Benchmark]: Toolchain (without parser) took 593.88ms. Allocated memory is still 140.5MB. Free memory was 95.3MB in the beginning and 81.7MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 16:20:08,301 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 140.5MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:20:08,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.49ms. Allocated memory is still 140.5MB. Free memory was 94.9MB in the beginning and 81.7MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 16:20:08,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 140.5MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 590.49ms. Allocated memory is still 140.5MB. Free memory was 94.9MB in the beginning and 81.7MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a --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 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:20:10,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:20:10,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:20:10,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:20:10,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:20:10,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:20:10,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:20:10,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:20:10,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:20:10,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:20:10,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:20:10,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:20:10,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:20:10,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:20:10,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:20:10,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:20:10,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:20:10,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:20:10,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:20:10,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:20:10,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:20:10,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:20:10,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:20:10,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:20:10,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:20:10,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:20:10,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:20:10,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:20:10,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:20:10,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:20:10,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:20:10,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:20:10,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:20:10,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:20:10,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:20:10,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:20:10,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:20:10,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:20:10,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:20:10,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:20:10,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:20:10,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-21 16:20:10,864 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:20:10,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:20:10,865 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:20:10,865 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:20:10,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:20:10,866 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:20:10,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:20:10,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:20:10,868 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:20:10,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:20:10,869 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:20:10,869 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:20:10,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:20:10,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:20:10,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:20:10,870 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-21 16:20:10,870 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-21 16:20:10,871 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-21 16:20:10,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:20:10,871 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 16:20:10,872 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 16:20:10,872 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 16:20:10,872 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:20:10,873 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:20:10,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:20:10,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:20:10,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:20:10,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:20:10,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:20:10,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:20:10,875 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 16:20:10,875 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 16:20:10,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 16:20:10,876 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_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2022-11-21 16:20:11,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:20:11,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:20:11,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:20:11,306 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:20:11,307 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:20:11,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2022-11-21 16:20:14,494 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:20:14,796 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:20:14,797 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2022-11-21 16:20:14,837 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/data/b203b1b31/7caf75ef1e9f4840ab64af050c9cf73b/FLAGa374f38ba [2022-11-21 16:20:14,865 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/data/b203b1b31/7caf75ef1e9f4840ab64af050c9cf73b [2022-11-21 16:20:14,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:20:14,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:20:14,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:20:14,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:20:14,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:20:14,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:20:14" (1/1) ... [2022-11-21 16:20:14,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c1dad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:14, skipping insertion in model container [2022-11-21 16:20:14,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:20:14" (1/1) ... [2022-11-21 16:20:14,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:20:14,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:20:15,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:20:15,579 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 16:20:15,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:20:15,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:20:15,690 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:20:15,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:20:15,830 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:20:15,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:15 WrapperNode [2022-11-21 16:20:15,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:20:15,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:20:15,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:20:15,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:20:15,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:15" (1/1) ... [2022-11-21 16:20:15,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:15" (1/1) ... [2022-11-21 16:20:15,906 INFO L138 Inliner]: procedures = 167, calls = 70, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 17 [2022-11-21 16:20:15,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:20:15,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:20:15,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:20:15,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:20:15,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:15" (1/1) ... [2022-11-21 16:20:15,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:15" (1/1) ... [2022-11-21 16:20:15,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:15" (1/1) ... [2022-11-21 16:20:15,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:15" (1/1) ... [2022-11-21 16:20:15,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:15" (1/1) ... [2022-11-21 16:20:15,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:15" (1/1) ... [2022-11-21 16:20:15,949 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:15" (1/1) ... [2022-11-21 16:20:15,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:15" (1/1) ... [2022-11-21 16:20:15,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:20:15,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:20:15,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:20:15,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:20:15,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:15" (1/1) ... [2022-11-21 16:20:15,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:20:15,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:20:16,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:20:16,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:20:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 16:20:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 16:20:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:20:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:20:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:20:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:20:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:20:16,190 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:20:16,193 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:20:16,304 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:20:16,310 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:20:16,311 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:20:16,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:20:16 BoogieIcfgContainer [2022-11-21 16:20:16,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:20:16,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:20:16,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:20:16,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:20:16,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:20:14" (1/3) ... [2022-11-21 16:20:16,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43df2f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:20:16, skipping insertion in model container [2022-11-21 16:20:16,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:15" (2/3) ... [2022-11-21 16:20:16,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43df2f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:20:16, skipping insertion in model container [2022-11-21 16:20:16,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:20:16" (3/3) ... [2022-11-21 16:20:16,323 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test8_1.i [2022-11-21 16:20:16,344 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:20:16,345 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:20:16,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:20:16,397 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f18bc34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:20:16,397 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:20:16,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:20:16,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 16:20:16,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:16,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:20:16,411 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-21 16:20:16,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:16,416 INFO L85 PathProgramCache]: Analyzing trace with hash -792258202, now seen corresponding path program 1 times [2022-11-21 16:20:16,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:20:16,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420526371] [2022-11-21 16:20:16,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:16,431 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:20:16,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:20:16,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 16:20:16,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-21 16:20:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:20:16,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:20:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:20:16,660 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-21 16:20:16,662 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:20:16,664 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-11-21 16:20:16,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:20:16,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:20:16,882 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-21 16:20:16,885 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:20:16,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:20:16 BoogieIcfgContainer [2022-11-21 16:20:16,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:20:16,912 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:20:16,912 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:20:16,913 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:20:16,913 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:20:16" (3/4) ... [2022-11-21 16:20:16,918 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:20:16,918 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:20:16,919 INFO L158 Benchmark]: Toolchain (without parser) took 2042.36ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 38.6MB in the end (delta: 13.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2022-11-21 16:20:16,920 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:20:16,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 952.12ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 44.2MB in the end (delta: 7.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-11-21 16:20:16,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.93ms. Allocated memory is still 75.5MB. Free memory was 44.2MB in the beginning and 42.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:20:16,921 INFO L158 Benchmark]: Boogie Preprocessor took 53.41ms. Allocated memory is still 75.5MB. Free memory was 42.1MB in the beginning and 40.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:20:16,922 INFO L158 Benchmark]: RCFGBuilder took 350.34ms. Allocated memory is still 75.5MB. Free memory was 40.7MB in the beginning and 53.2MB in the end (delta: -12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:20:16,923 INFO L158 Benchmark]: TraceAbstraction took 593.78ms. Allocated memory is still 75.5MB. Free memory was 52.8MB in the beginning and 39.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 16:20:16,923 INFO L158 Benchmark]: Witness Printer took 6.26ms. Allocated memory is still 75.5MB. Free memory was 38.6MB in the beginning and 38.6MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:20:16,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 952.12ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 44.2MB in the end (delta: 7.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.93ms. Allocated memory is still 75.5MB. Free memory was 44.2MB in the beginning and 42.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.41ms. Allocated memory is still 75.5MB. Free memory was 42.1MB in the beginning and 40.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 350.34ms. Allocated memory is still 75.5MB. Free memory was 40.7MB in the beginning and 53.2MB in the end (delta: -12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 593.78ms. Allocated memory is still 75.5MB. Free memory was 52.8MB in the beginning and 39.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.26ms. Allocated memory is still 75.5MB. Free memory was 38.6MB in the beginning and 38.6MB in the end (delta: 2.6kB). 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 - UnprovableResult [Line: 768]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 768. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; VAL [a8={0:0}, ldv_global_msg_list={1:0}] [L769] CALL entry_point() [L765] CALL alloc_8() [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a8={0:0}, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [a8={0:0}, ldv_global_msg_list={1:0}, ldv_malloc(sizeof(int))={2:0}] [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() [L766] a8 = 0 VAL [a8={0:0}, ldv_global_msg_list={1:0}] [L769] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 11 NumberOfCodeBlocks, 11 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 [2022-11-21 16:20:16,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb728ce2-371b-478f-a81d-d717174a4135/bin/uautomizer-vX5HgA9Q3a/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 Result: UNKNOWN: Overapproximated counterexample