./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7 --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 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:52:48,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:52:48,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:52:48,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:52:48,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:52:48,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:52:48,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:52:48,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:52:48,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:52:48,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:52:48,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:52:48,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:52:48,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:52:48,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:52:48,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:52:48,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:52:48,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:52:48,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:52:48,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:52:48,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:52:48,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:52:48,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:52:48,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:52:48,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:52:48,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:52:48,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:52:48,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:52:48,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:52:48,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:52:48,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:52:48,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:52:48,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:52:48,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:52:48,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:52:48,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:52:48,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:52:48,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:52:48,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:52:48,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:52:48,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:52:48,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:52:48,882 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-25 17:52:48,938 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:52:48,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:52:48,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:52:48,945 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:52:48,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:52:48,946 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:52:48,946 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:52:48,947 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:52:48,947 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:52:48,947 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:52:48,949 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:52:48,949 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:52:48,949 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:52:48,949 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:52:48,950 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:52:48,950 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:52:48,950 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:52:48,950 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:52:48,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 17:52:48,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 17:52:48,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:52:48,952 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 17:52:48,952 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 17:52:48,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:52:48,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 17:52:48,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:52:48,955 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 17:52:48,955 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 17:52:48,956 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 17:52:48,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:52:48,956 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 17:52:48,956 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 17:52:48,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:52:48,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:52:48,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:52:48,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:52:48,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:52:48,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:52:48,958 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:52:48,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:52:48,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:52:48,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:52:48,959 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_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b [2021-11-25 17:52:49,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:52:49,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:52:49,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:52:49,318 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:52:49,319 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:52:49,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-11-25 17:52:49,403 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/data/37a3021f1/f762b312613d4ee198a16292a02e5e0a/FLAG7ea29eae8 [2021-11-25 17:52:50,129 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:52:50,129 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-11-25 17:52:50,146 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/data/37a3021f1/f762b312613d4ee198a16292a02e5e0a/FLAG7ea29eae8 [2021-11-25 17:52:50,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/data/37a3021f1/f762b312613d4ee198a16292a02e5e0a [2021-11-25 17:52:50,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:52:50,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:52:50,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:52:50,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:52:50,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:52:50,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:52:50" (1/1) ... [2021-11-25 17:52:50,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6922c9b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:50, skipping insertion in model container [2021-11-25 17:52:50,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:52:50" (1/1) ... [2021-11-25 17:52:50,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:52:50,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:52:50,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:52:50,990 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) [2021-11-25 17:52:50,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4fe790db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:50, skipping insertion in model container [2021-11-25 17:52:50,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:52:50,991 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 17:52:50,994 INFO L158 Benchmark]: Toolchain (without parser) took 629.69ms. Allocated memory is still 98.6MB. Free memory was 55.9MB in the beginning and 70.3MB in the end (delta: -14.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 17:52:50,995 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:52:50,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 625.87ms. Allocated memory is still 98.6MB. Free memory was 55.6MB in the beginning and 70.3MB in the end (delta: -14.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 17:52:50,997 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 98.6MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 625.87ms. Allocated memory is still 98.6MB. Free memory was 55.6MB in the beginning and 70.3MB in the end (delta: -14.7MB). Peak memory consumption was 6.3MB. 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 where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7 --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 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:52:53,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:52:53,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:52:53,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:52:53,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:52:53,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:52:53,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:52:53,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:52:53,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:52:53,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:52:53,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:52:53,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:52:53,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:52:53,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:52:53,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:52:53,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:52:53,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:52:53,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:52:53,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:52:53,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:52:53,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:52:53,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:52:53,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:52:53,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:52:53,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:52:53,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:52:53,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:52:53,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:52:53,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:52:53,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:52:53,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:52:53,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:52:53,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:52:53,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:52:53,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:52:53,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:52:53,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:52:53,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:52:53,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:52:53,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:52:53,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:52:53,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-25 17:52:53,632 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:52:53,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:52:53,634 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:52:53,634 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:52:53,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:52:53,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:52:53,636 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:52:53,636 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:52:53,637 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:52:53,637 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:52:53,638 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:52:53,638 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:52:53,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 17:52:53,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 17:52:53,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:52:53,640 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 17:52:53,641 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 17:52:53,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:52:53,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 17:52:53,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:52:53,642 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 17:52:53,643 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 17:52:53,643 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 17:52:53,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:52:53,644 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 17:52:53,644 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 17:52:53,644 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 17:52:53,645 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 17:52:53,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:52:53,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:52:53,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 17:52:53,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:52:53,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:52:53,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:52:53,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:52:53,647 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 17:52:53,648 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 17:52:53,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:52:53,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:52:53,649 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_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b [2021-11-25 17:52:54,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:52:54,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:52:54,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:52:54,116 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:52:54,117 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:52:54,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-11-25 17:52:54,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/data/358e11c78/06df5c668a46489f920d6a4785cb58c8/FLAG72abc0b82 [2021-11-25 17:52:54,891 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:52:54,894 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-11-25 17:52:54,921 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/data/358e11c78/06df5c668a46489f920d6a4785cb58c8/FLAG72abc0b82 [2021-11-25 17:52:55,097 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/data/358e11c78/06df5c668a46489f920d6a4785cb58c8 [2021-11-25 17:52:55,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:52:55,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:52:55,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:52:55,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:52:55,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:52:55,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:52:55" (1/1) ... [2021-11-25 17:52:55,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd48ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:55, skipping insertion in model container [2021-11-25 17:52:55,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:52:55" (1/1) ... [2021-11-25 17:52:55,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:52:55,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:52:55,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:52:55,761 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-25 17:52:55,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:52:55,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:52:55,855 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:52:55,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:52:55,985 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:52:55,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:55 WrapperNode [2021-11-25 17:52:55,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:52:55,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:52:55,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:52:55,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:52:55,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:55" (1/1) ... [2021-11-25 17:52:56,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:55" (1/1) ... [2021-11-25 17:52:56,043 INFO L137 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 16 [2021-11-25 17:52:56,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:52:56,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:52:56,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:52:56,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:52:56,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:55" (1/1) ... [2021-11-25 17:52:56,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:55" (1/1) ... [2021-11-25 17:52:56,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:55" (1/1) ... [2021-11-25 17:52:56,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:55" (1/1) ... [2021-11-25 17:52:56,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:55" (1/1) ... [2021-11-25 17:52:56,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:55" (1/1) ... [2021-11-25 17:52:56,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:55" (1/1) ... [2021-11-25 17:52:56,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:52:56,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:52:56,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:52:56,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:52:56,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:55" (1/1) ... [2021-11-25 17:52:56,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:52:56,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:52:56,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:52:56,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:52:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 17:52:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 17:52:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 17:52:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:52:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 17:52:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:52:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:52:56,290 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:52:56,292 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:52:56,401 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 17:52:56,407 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 17:52:56,408 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 17:52:56,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:52:56 BoogieIcfgContainer [2021-11-25 17:52:56,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 17:52:56,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 17:52:56,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 17:52:56,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 17:52:56,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:52:55" (1/3) ... [2021-11-25 17:52:56,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb31a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:52:56, skipping insertion in model container [2021-11-25 17:52:56,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:55" (2/3) ... [2021-11-25 17:52:56,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb31a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:52:56, skipping insertion in model container [2021-11-25 17:52:56,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:52:56" (3/3) ... [2021-11-25 17:52:56,418 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5_1.i [2021-11-25 17:52:56,424 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 17:52:56,424 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 17:52:56,472 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 17:52:56,479 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 [2021-11-25 17:52:56,479 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 17:52:56,500 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) [2021-11-25 17:52:56,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 17:52:56,508 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:52:56,509 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:52:56,509 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-11-25 17:52:56,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:52:56,520 INFO L85 PathProgramCache]: Analyzing trace with hash -792258202, now seen corresponding path program 1 times [2021-11-25 17:52:56,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 17:52:56,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696902699] [2021-11-25 17:52:56,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:52:56,537 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 17:52:56,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 17:52:56,542 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 17:52:56,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 17:52:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 17:52:56,698 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 17:52:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 17:52:56,755 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-25 17:52:56,757 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 17:52:56,758 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2021-11-25 17:52:56,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-25 17:52:56,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 17:52:56,976 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-25 17:52:56,979 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 17:52:57,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:52:57 BoogieIcfgContainer [2021-11-25 17:52:57,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 17:52:57,014 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 17:52:57,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 17:52:57,015 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 17:52:57,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:52:56" (3/4) ... [2021-11-25 17:52:57,019 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 17:52:57,019 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 17:52:57,022 INFO L158 Benchmark]: Toolchain (without parser) took 1916.35ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 31.5MB in the beginning and 51.6MB in the end (delta: -20.1MB). Peak memory consumption was 462.7kB. Max. memory is 16.1GB. [2021-11-25 17:52:57,026 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:52:57,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 878.52ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 31.3MB in the beginning and 40.7MB in the end (delta: -9.5MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-11-25 17:52:57,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.30ms. Allocated memory is still 75.5MB. Free memory was 40.5MB in the beginning and 56.3MB in the end (delta: -15.7MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-11-25 17:52:57,030 INFO L158 Benchmark]: Boogie Preprocessor took 25.66ms. Allocated memory is still 75.5MB. Free memory was 56.3MB in the beginning and 54.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 17:52:57,031 INFO L158 Benchmark]: RCFGBuilder took 339.73ms. Allocated memory is still 75.5MB. Free memory was 54.9MB in the beginning and 45.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 17:52:57,032 INFO L158 Benchmark]: TraceAbstraction took 596.90ms. Allocated memory is still 75.5MB. Free memory was 44.7MB in the beginning and 52.0MB in the end (delta: -7.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:52:57,037 INFO L158 Benchmark]: Witness Printer took 5.57ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 51.6MB in the end (delta: 339.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:52:57,044 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 is still 37.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 878.52ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 31.3MB in the beginning and 40.7MB in the end (delta: -9.5MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.30ms. Allocated memory is still 75.5MB. Free memory was 40.5MB in the beginning and 56.3MB in the end (delta: -15.7MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.66ms. Allocated memory is still 75.5MB. Free memory was 56.3MB in the beginning and 54.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.73ms. Allocated memory is still 75.5MB. Free memory was 54.9MB in the beginning and 45.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 596.90ms. Allocated memory is still 75.5MB. Free memory was 44.7MB in the beginning and 52.0MB in the end (delta: -7.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.57ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 51.6MB in the end (delta: 339.2kB). 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: 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={1:0}] [L764] CALL entry_point() [L761] CALL f5() [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={1:0}, ldv_malloc(sizeof(int))={2:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L761] RET f5() [L764] 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, PartialOrderReductionTime: 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 [2021-11-25 17:52:57,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d12440-bce5-4549-ba88-c984f2f753d4/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample