./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b 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_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:23:32,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:23:32,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:23:32,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:23:32,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:23:32,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:23:32,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:23:32,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:23:32,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:23:32,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:23:32,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:23:32,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:23:32,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:23:32,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:23:32,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:23:32,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:23:32,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:23:32,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:23:32,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:23:32,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:23:32,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:23:32,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:23:32,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:23:32,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:23:32,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:23:32,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:23:32,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:23:32,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:23:32,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:23:32,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:23:32,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:23:32,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:23:32,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:23:32,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:23:32,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:23:32,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:23:32,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:23:32,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:23:32,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:23:32,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:23:32,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:23:32,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-20 11:23:32,837 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:23:32,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:23:32,838 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:23:32,838 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:23:32,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:23:32,840 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:23:32,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:23:32,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:23:32,841 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:23:32,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:23:32,843 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:23:32,843 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:23:32,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:23:32,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:23:32,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:23:32,844 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 11:23:32,844 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 11:23:32,844 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 11:23:32,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:23:32,845 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:23:32,845 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:23:32,845 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:23:32,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:23:32,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:23:32,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:23:32,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:23:32,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:23:32,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:23:32,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:23:32,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:23:32,848 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_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2022-11-20 11:23:33,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:23:33,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:23:33,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:23:33,283 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:23:33,283 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:23:33,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2022-11-20 11:23:37,011 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:23:37,486 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:23:37,495 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2022-11-20 11:23:37,515 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/data/d727edf7a/dc36411bafb547aeb725d5eb302268bb/FLAGefa67f686 [2022-11-20 11:23:37,539 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/data/d727edf7a/dc36411bafb547aeb725d5eb302268bb [2022-11-20 11:23:37,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:23:37,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:23:37,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:23:37,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:23:37,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:23:37,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:23:37" (1/1) ... [2022-11-20 11:23:37,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a61d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:23:37, skipping insertion in model container [2022-11-20 11:23:37,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:23:37" (1/1) ... [2022-11-20 11:23:37,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:23:37,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:23:38,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:23:38,282 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) [2022-11-20 11:23:38,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32e7df05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:23:38, skipping insertion in model container [2022-11-20 11:23:38,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:23:38,285 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 11:23:38,290 INFO L158 Benchmark]: Toolchain (without parser) took 742.57ms. Allocated memory is still 174.1MB. Free memory was 140.5MB in the beginning and 127.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:23:38,291 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory was 92.8MB in the beginning and 92.7MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:23:38,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 735.11ms. Allocated memory is still 174.1MB. Free memory was 140.5MB in the beginning and 127.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:23:38,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory was 92.8MB in the beginning and 92.7MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 735.11ms. Allocated memory is still 174.1MB. Free memory was 140.5MB in the beginning and 127.0MB 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_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:23:41,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:23:41,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:23:41,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:23:41,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:23:41,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:23:41,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:23:41,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:23:41,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:23:41,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:23:41,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:23:41,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:23:41,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:23:41,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:23:41,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:23:41,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:23:41,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:23:41,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:23:41,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:23:41,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:23:41,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:23:41,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:23:41,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:23:41,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:23:41,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:23:41,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:23:41,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:23:41,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:23:41,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:23:41,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:23:41,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:23:41,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:23:41,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:23:41,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:23:41,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:23:41,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:23:41,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:23:41,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:23:41,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:23:41,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:23:41,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:23:41,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-20 11:23:41,490 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:23:41,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:23:41,493 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:23:41,493 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:23:41,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:23:41,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:23:41,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:23:41,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:23:41,497 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:23:41,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:23:41,498 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:23:41,499 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:23:41,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:23:41,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:23:41,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:23:41,500 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 11:23:41,501 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 11:23:41,501 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 11:23:41,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:23:41,502 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:23:41,502 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:23:41,502 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:23:41,503 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:23:41,503 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:23:41,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:23:41,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:23:41,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:23:41,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:23:41,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:23:41,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:23:41,506 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:23:41,506 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:23:41,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:23:41,507 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_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2022-11-20 11:23:42,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:23:42,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:23:42,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:23:42,060 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:23:42,061 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:23:42,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2022-11-20 11:23:45,975 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:23:46,314 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:23:46,323 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2022-11-20 11:23:46,351 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/data/2555ecb26/5aa484ec41384f5a8dd7d1406e573288/FLAGf9e149b10 [2022-11-20 11:23:46,370 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/data/2555ecb26/5aa484ec41384f5a8dd7d1406e573288 [2022-11-20 11:23:46,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:23:46,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:23:46,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:23:46,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:23:46,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:23:46,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:23:46" (1/1) ... [2022-11-20 11:23:46,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e57322a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:23:46, skipping insertion in model container [2022-11-20 11:23:46,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:23:46" (1/1) ... [2022-11-20 11:23:46,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:23:46,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:23:47,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:23:47,165 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:23:47,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:23:47,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:23:47,248 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:23:47,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:23:47,438 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:23:47,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:23:47 WrapperNode [2022-11-20 11:23:47,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:23:47,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:23:47,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:23:47,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:23:47,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:23:47" (1/1) ... [2022-11-20 11:23:47,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:23:47" (1/1) ... [2022-11-20 11:23:47,531 INFO L138 Inliner]: procedures = 167, calls = 70, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 17 [2022-11-20 11:23:47,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:23:47,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:23:47,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:23:47,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:23:47,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:23:47" (1/1) ... [2022-11-20 11:23:47,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:23:47" (1/1) ... [2022-11-20 11:23:47,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:23:47" (1/1) ... [2022-11-20 11:23:47,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:23:47" (1/1) ... [2022-11-20 11:23:47,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:23:47" (1/1) ... [2022-11-20 11:23:47,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:23:47" (1/1) ... [2022-11-20 11:23:47,558 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:23:47" (1/1) ... [2022-11-20 11:23:47,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:23:47" (1/1) ... [2022-11-20 11:23:47,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:23:47,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:23:47,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:23:47,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:23:47,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:23:47" (1/1) ... [2022-11-20 11:23:47,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:23:47,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:23:47,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:23:47,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:23:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:23:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:23:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:23:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:23:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:23:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:23:47,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:23:47,845 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:23:47,850 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:23:47,959 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:23:47,980 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:23:47,980 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:23:47,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:23:47 BoogieIcfgContainer [2022-11-20 11:23:47,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:23:47,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:23:47,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:23:47,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:23:47,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:23:46" (1/3) ... [2022-11-20 11:23:47,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab0aa05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:23:47, skipping insertion in model container [2022-11-20 11:23:47,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:23:47" (2/3) ... [2022-11-20 11:23:47,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab0aa05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:23:47, skipping insertion in model container [2022-11-20 11:23:47,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:23:47" (3/3) ... [2022-11-20 11:23:47,994 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test8_1.i [2022-11-20 11:23:48,018 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:23:48,019 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:23:48,075 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:23:48,083 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;@5bc02f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:23:48,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:23:48,089 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:23:48,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 11:23:48,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:23:48,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:23:48,116 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-20 11:23:48,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:23:48,123 INFO L85 PathProgramCache]: Analyzing trace with hash -792258202, now seen corresponding path program 1 times [2022-11-20 11:23:48,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:23:48,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865870343] [2022-11-20 11:23:48,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:23:48,168 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 [2022-11-20 11:23:48,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:23:48,187 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/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) [2022-11-20 11:23:48,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 11:23:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:23:48,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:23:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:23:48,444 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-20 11:23:48,446 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 11:23:48,448 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-11-20 11:23:48,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 11:23:48,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 11:23:48,665 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 11:23:48,670 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:23:48,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:23:48 BoogieIcfgContainer [2022-11-20 11:23:48,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:23:48,694 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:23:48,695 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:23:48,695 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:23:48,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:23:47" (3/4) ... [2022-11-20 11:23:48,700 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:23:48,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:23:48,703 INFO L158 Benchmark]: Toolchain (without parser) took 2327.18ms. Allocated memory is still 65.0MB. Free memory was 37.0MB in the beginning and 28.1MB in the end (delta: 8.9MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-11-20 11:23:48,708 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 52.4MB. Free memory was 30.8MB in the beginning and 30.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:23:48,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1063.24ms. Allocated memory is still 65.0MB. Free memory was 36.7MB in the beginning and 40.5MB in the end (delta: -3.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-11-20 11:23:48,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.20ms. Allocated memory is still 65.0MB. Free memory was 40.5MB in the beginning and 38.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:23:48,714 INFO L158 Benchmark]: Boogie Preprocessor took 29.16ms. Allocated memory is still 65.0MB. Free memory was 38.3MB in the beginning and 37.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:23:48,715 INFO L158 Benchmark]: RCFGBuilder took 420.38ms. Allocated memory is still 65.0MB. Free memory was 37.1MB in the beginning and 42.5MB in the end (delta: -5.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2022-11-20 11:23:48,716 INFO L158 Benchmark]: TraceAbstraction took 708.20ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 28.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:23:48,716 INFO L158 Benchmark]: Witness Printer took 6.45ms. Allocated memory is still 65.0MB. Free memory was 28.4MB in the beginning and 28.1MB in the end (delta: 281.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:23:48,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 52.4MB. Free memory was 30.8MB in the beginning and 30.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1063.24ms. Allocated memory is still 65.0MB. Free memory was 36.7MB in the beginning and 40.5MB in the end (delta: -3.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.20ms. Allocated memory is still 65.0MB. Free memory was 40.5MB in the beginning and 38.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.16ms. Allocated memory is still 65.0MB. Free memory was 38.3MB in the beginning and 37.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.38ms. Allocated memory is still 65.0MB. Free memory was 37.1MB in the beginning and 42.5MB in the end (delta: -5.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 708.20ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 28.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.45ms. Allocated memory is still 65.0MB. Free memory was 28.4MB in the beginning and 28.1MB in the end (delta: 281.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 768]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 768. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; VAL [a8={0:0}, ldv_global_msg_list={1:0}] [L769] CALL entry_point() [L765] CALL alloc_8() [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a8={0:0}, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [a8={0:0}, ldv_global_msg_list={1:0}, ldv_malloc(sizeof(int))={2:0}] [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() [L766] a8 = 0 VAL [a8={0:0}, ldv_global_msg_list={1:0}] [L769] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 11:23:48,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec768b2-654a-4304-b8d4-23821cb367b7/bin/uautomizer-ug76WZFUDN/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