./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/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_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/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_232970c3-5237-465b-a542-36718e2881f1/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 a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- 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 17:14:18,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:14:18,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:14:18,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:14:18,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:14:18,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:14:18,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:14:18,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:14:18,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:14:18,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:14:18,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:14:18,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:14:18,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:14:18,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:14:18,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:14:18,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:14:18,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:14:18,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:14:18,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:14:18,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:14:18,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:14:18,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:14:18,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:14:18,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:14:18,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:14:18,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:14:18,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:14:18,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:14:18,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:14:18,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:14:18,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:14:18,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:14:18,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:14:18,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:14:18,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:14:18,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:14:18,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:14:18,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:14:18,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:14:18,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:14:18,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:14:18,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-21 17:14:18,761 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:14:18,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:14:18,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:14:18,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:14:18,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:14:18,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:14:18,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:14:18,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:14:18,765 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:14:18,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:14:18,765 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:14:18,766 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:14:18,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:14:18,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:14:18,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:14:18,767 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-21 17:14:18,767 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-21 17:14:18,767 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-21 17:14:18,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:14:18,768 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 17:14:18,768 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:14:18,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:14:18,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:14:18,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:14:18,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:14:18,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:14:18,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:14:18,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:14:18,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:14:18,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:14:18,770 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_232970c3-5237-465b-a542-36718e2881f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2022-11-21 17:14:19,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:14:19,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:14:19,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:14:19,106 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:14:19,107 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:14:19,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2022-11-21 17:14:22,291 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:14:22,652 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:14:22,653 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2022-11-21 17:14:22,666 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/data/c891881f4/b453a25f2cc04792a7642a355c4d5d99/FLAGe3c6fdddb [2022-11-21 17:14:22,688 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/data/c891881f4/b453a25f2cc04792a7642a355c4d5d99 [2022-11-21 17:14:22,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:14:22,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:14:22,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:14:22,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:14:22,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:14:22,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:14:22" (1/1) ... [2022-11-21 17:14:22,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23693e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:22, skipping insertion in model container [2022-11-21 17:14:22,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:14:22" (1/1) ... [2022-11-21 17:14:22,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:14:22,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:14:23,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:14:23,351 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 17:14:23,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@206f50d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:23, skipping insertion in model container [2022-11-21 17:14:23,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:14:23,352 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-21 17:14:23,354 INFO L158 Benchmark]: Toolchain (without parser) took 660.31ms. Allocated memory is still 132.1MB. Free memory was 85.4MB in the beginning and 71.9MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 17:14:23,355 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 132.1MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:14:23,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 657.57ms. Allocated memory is still 132.1MB. Free memory was 85.4MB in the beginning and 71.9MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 17:14:23,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 132.1MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 657.57ms. Allocated memory is still 132.1MB. Free memory was 85.4MB in the beginning and 71.9MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/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_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/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_232970c3-5237-465b-a542-36718e2881f1/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 a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- 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 17:14:25,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:14:25,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:14:25,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:14:25,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:14:25,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:14:25,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:14:25,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:14:25,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:14:25,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:14:25,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:14:25,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:14:25,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:14:25,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:14:25,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:14:25,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:14:25,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:14:25,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:14:25,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:14:25,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:14:25,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:14:25,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:14:25,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:14:25,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:14:25,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:14:25,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:14:25,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:14:25,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:14:25,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:14:25,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:14:25,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:14:25,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:14:25,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:14:25,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:14:25,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:14:25,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:14:25,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:14:25,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:14:25,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:14:25,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:14:25,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:14:25,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-21 17:14:25,746 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:14:25,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:14:25,748 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:14:25,748 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:14:25,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:14:25,749 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:14:25,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:14:25,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:14:25,750 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:14:25,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:14:25,752 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:14:25,752 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:14:25,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:14:25,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:14:25,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:14:25,753 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-21 17:14:25,753 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-21 17:14:25,753 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-21 17:14:25,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:14:25,753 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 17:14:25,753 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 17:14:25,754 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 17:14:25,754 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:14:25,754 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:14:25,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:14:25,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:14:25,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:14:25,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:14:25,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:14:25,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:14:25,755 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 17:14:25,755 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 17:14:25,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 17:14:25,756 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_232970c3-5237-465b-a542-36718e2881f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2022-11-21 17:14:26,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:14:26,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:14:26,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:14:26,213 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:14:26,213 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:14:26,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2022-11-21 17:14:29,469 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:14:29,748 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:14:29,748 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2022-11-21 17:14:29,761 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/data/7fb57f6fd/842842bcbe874d4987a086a7f6cbf8ad/FLAGc4fcfdca0 [2022-11-21 17:14:29,788 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/data/7fb57f6fd/842842bcbe874d4987a086a7f6cbf8ad [2022-11-21 17:14:29,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:14:29,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:14:29,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:14:29,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:14:29,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:14:29,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:14:29" (1/1) ... [2022-11-21 17:14:29,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42b43228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:29, skipping insertion in model container [2022-11-21 17:14:29,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:14:29" (1/1) ... [2022-11-21 17:14:29,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:14:29,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:14:30,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:14:30,363 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 17:14:30,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:14:30,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:14:30,422 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:14:30,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:14:30,526 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:14:30,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:30 WrapperNode [2022-11-21 17:14:30,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:14:30,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:14:30,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:14:30,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:14:30,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:30" (1/1) ... [2022-11-21 17:14:30,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:30" (1/1) ... [2022-11-21 17:14:30,594 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 22 [2022-11-21 17:14:30,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:14:30,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:14:30,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:14:30,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:14:30,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:30" (1/1) ... [2022-11-21 17:14:30,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:30" (1/1) ... [2022-11-21 17:14:30,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:30" (1/1) ... [2022-11-21 17:14:30,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:30" (1/1) ... [2022-11-21 17:14:30,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:30" (1/1) ... [2022-11-21 17:14:30,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:30" (1/1) ... [2022-11-21 17:14:30,619 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:30" (1/1) ... [2022-11-21 17:14:30,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:30" (1/1) ... [2022-11-21 17:14:30,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:14:30,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:14:30,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:14:30,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:14:30,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:30" (1/1) ... [2022-11-21 17:14:30,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:14:30,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:14:30,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:14:30,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:14:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 17:14:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 17:14:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:14:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:14:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 17:14:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:14:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:14:30,850 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:14:30,857 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:14:31,011 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:14:31,017 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:14:31,017 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:14:31,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:14:31 BoogieIcfgContainer [2022-11-21 17:14:31,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:14:31,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:14:31,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:14:31,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:14:31,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:14:29" (1/3) ... [2022-11-21 17:14:31,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca3826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:14:31, skipping insertion in model container [2022-11-21 17:14:31,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:30" (2/3) ... [2022-11-21 17:14:31,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca3826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:14:31, skipping insertion in model container [2022-11-21 17:14:31,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:14:31" (3/3) ... [2022-11-21 17:14:31,034 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test21-1.i [2022-11-21 17:14:31,054 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:14:31,054 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:14:31,099 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:14:31,106 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;@6b8ea15d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:14:31,107 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:14:31,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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 17:14:31,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 17:14:31,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:14:31,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:14:31,124 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-21 17:14:31,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:14:31,131 INFO L85 PathProgramCache]: Analyzing trace with hash 370410532, now seen corresponding path program 1 times [2022-11-21 17:14:31,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:14:31,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305788187] [2022-11-21 17:14:31,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:14:31,145 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 17:14:31,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:14:31,149 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/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 17:14:31,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/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 17:14:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:14:31,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:14:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:14:31,317 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-21 17:14:31,319 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 17:14:31,321 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-11-21 17:14:31,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/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 17:14:31,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/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 17:14:31,540 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-21 17:14:31,545 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:14:31,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:14:31 BoogieIcfgContainer [2022-11-21 17:14:31,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:14:31,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:14:31,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:14:31,565 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:14:31,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:14:31" (3/4) ... [2022-11-21 17:14:31,569 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:14:31,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:14:31,571 INFO L158 Benchmark]: Toolchain (without parser) took 1778.08ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 34.5MB in the beginning and 37.5MB in the end (delta: -3.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-11-21 17:14:31,571 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 62.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:14:31,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 734.05ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 34.3MB in the beginning and 44.3MB in the end (delta: -10.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-11-21 17:14:31,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.63ms. Allocated memory is still 81.8MB. Free memory was 44.3MB in the beginning and 42.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:14:31,573 INFO L158 Benchmark]: Boogie Preprocessor took 27.77ms. Allocated memory is still 81.8MB. Free memory was 42.0MB in the beginning and 40.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:14:31,574 INFO L158 Benchmark]: RCFGBuilder took 396.28ms. Allocated memory is still 81.8MB. Free memory was 40.8MB in the beginning and 52.1MB in the end (delta: -11.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2022-11-21 17:14:31,574 INFO L158 Benchmark]: TraceAbstraction took 540.96ms. Allocated memory is still 81.8MB. Free memory was 51.4MB in the beginning and 37.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 17:14:31,575 INFO L158 Benchmark]: Witness Printer took 4.74ms. Allocated memory is still 81.8MB. Free memory was 37.8MB in the beginning and 37.5MB in the end (delta: 383.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:14:31,578 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 62.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 734.05ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 34.3MB in the beginning and 44.3MB in the end (delta: -10.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.63ms. Allocated memory is still 81.8MB. Free memory was 44.3MB in the beginning and 42.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.77ms. Allocated memory is still 81.8MB. Free memory was 42.0MB in the beginning and 40.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 396.28ms. Allocated memory is still 81.8MB. Free memory was 40.8MB in the beginning and 52.1MB in the end (delta: -11.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * TraceAbstraction took 540.96ms. Allocated memory is still 81.8MB. Free memory was 51.4MB in the beginning and 37.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.74ms. Allocated memory is still 81.8MB. Free memory was 37.8MB in the beginning and 37.5MB in the end (delta: 383.8kB). Peak memory consumption was 2.1MB. 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: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. 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}] [L773] CALL entry_point() [L770] CALL, EXPR alloc_21() [L762] CALL, EXPR ldv_malloc(sizeof(struct A21)) VAL [\old(size)=16, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A21)) VAL [ldv_global_msg_list={1:0}, ldv_malloc(sizeof(struct A21))={2:0}] [L762] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L763] COND TRUE \read(*p) [L764] return &p->dev; VAL [\result={2:4}, ldv_global_msg_list={1:0}, p={2:0}] [L770] RET, EXPR alloc_21() [L770] struct ldv_device *dev = alloc_21(); [L773] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 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=15occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 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 17:14:31,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232970c3-5237-465b-a542-36718e2881f1/bin/uautomizer-vX5HgA9Q3a/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