./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f --- 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-5e519f3 [2022-11-03 02:13:29,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:13:29,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:13:29,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:13:29,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:13:29,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:13:29,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:13:29,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:13:29,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:13:29,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:13:29,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:13:29,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:13:29,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:13:29,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:13:29,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:13:29,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:13:29,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:13:29,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:13:29,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:13:29,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:13:29,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:13:29,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:13:29,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:13:29,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:13:29,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:13:29,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:13:29,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:13:29,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:13:29,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:13:29,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:13:29,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:13:29,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:13:29,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:13:29,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:13:29,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:13:29,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:13:29,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:13:29,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:13:29,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:13:29,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:13:29,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:13:29,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-03 02:13:29,265 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:13:29,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:13:29,267 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:13:29,268 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:13:29,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:13:29,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:13:29,270 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:13:29,270 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:13:29,270 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:13:29,271 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:13:29,272 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:13:29,272 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:13:29,272 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:13:29,272 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:13:29,273 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:13:29,273 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:13:29,273 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:13:29,273 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:13:29,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 02:13:29,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 02:13:29,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:13:29,276 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:13:29,276 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:13:29,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:13:29,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:13:29,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:13:29,277 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 02:13:29,277 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 02:13:29,278 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-03 02:13:29,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:13:29,278 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:13:29,279 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:13:29,279 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:13:29,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:13:29,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:13:29,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:13:29,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:13:29,280 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:13:29,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:13:29,280 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:13:29,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:13:29,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:13:29,281 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_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2022-11-03 02:13:29,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:13:29,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:13:29,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:13:29,637 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:13:29,638 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:13:29,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2022-11-03 02:13:29,715 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/data/ef2953ff4/50c347404e434ae08cf82002ffe02aa6/FLAG3dad923f0 [2022-11-03 02:13:30,290 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:13:30,291 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2022-11-03 02:13:30,305 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/data/ef2953ff4/50c347404e434ae08cf82002ffe02aa6/FLAG3dad923f0 [2022-11-03 02:13:30,577 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/data/ef2953ff4/50c347404e434ae08cf82002ffe02aa6 [2022-11-03 02:13:30,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:13:30,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:13:30,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:13:30,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:13:30,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:13:30,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:13:30" (1/1) ... [2022-11-03 02:13:30,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f1972ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:30, skipping insertion in model container [2022-11-03 02:13:30,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:13:30" (1/1) ... [2022-11-03 02:13:30,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:13:30,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:13:31,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:13:31,160 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) [2022-11-03 02:13:31,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@122ee5c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:31, skipping insertion in model container [2022-11-03 02:13:31,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:13:31,161 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 02:13:31,165 INFO L158 Benchmark]: Toolchain (without parser) took 581.11ms. Allocated memory is still 98.6MB. Free memory was 61.9MB in the beginning and 71.4MB in the end (delta: -9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:13:31,165 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:13:31,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 566.12ms. Allocated memory is still 98.6MB. Free memory was 61.7MB in the beginning and 71.4MB in the end (delta: -9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:13:31,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 566.12ms. Allocated memory is still 98.6MB. Free memory was 61.7MB in the beginning and 71.4MB in the end (delta: -9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f --- 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-5e519f3 [2022-11-03 02:13:33,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:13:33,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:13:33,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:13:33,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:13:33,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:13:33,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:13:33,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:13:33,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:13:33,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:13:33,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:13:33,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:13:33,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:13:33,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:13:33,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:13:33,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:13:33,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:13:33,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:13:33,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:13:33,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:13:33,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:13:33,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:13:33,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:13:33,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:13:33,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:13:33,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:13:33,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:13:33,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:13:33,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:13:33,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:13:33,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:13:33,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:13:33,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:13:33,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:13:33,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:13:33,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:13:33,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:13:33,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:13:33,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:13:33,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:13:33,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:13:33,522 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-03 02:13:33,564 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:13:33,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:13:33,565 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:13:33,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:13:33,567 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:13:33,567 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:13:33,567 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:13:33,568 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:13:33,568 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:13:33,568 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:13:33,569 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:13:33,570 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:13:33,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 02:13:33,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 02:13:33,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:13:33,572 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:13:33,572 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:13:33,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:13:33,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:13:33,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:13:33,574 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 02:13:33,574 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 02:13:33,574 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-03 02:13:33,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:13:33,575 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:13:33,575 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:13:33,575 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:13:33,576 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:13:33,576 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:13:33,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:13:33,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:13:33,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:13:33,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:13:33,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:13:33,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:13:33,579 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:13:33,579 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:13:33,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:13:33,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:13:33,580 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_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2022-11-03 02:13:33,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:13:34,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:13:34,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:13:34,033 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:13:34,034 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:13:34,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2022-11-03 02:13:34,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/data/b7c87c901/3e1d42089e124cfd92bace70bfab8512/FLAGd90e73b91 [2022-11-03 02:13:34,677 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:13:34,678 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2022-11-03 02:13:34,692 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/data/b7c87c901/3e1d42089e124cfd92bace70bfab8512/FLAGd90e73b91 [2022-11-03 02:13:34,991 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/data/b7c87c901/3e1d42089e124cfd92bace70bfab8512 [2022-11-03 02:13:34,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:13:34,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:13:34,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:13:34,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:13:35,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:13:35,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:13:34" (1/1) ... [2022-11-03 02:13:35,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300acc9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:35, skipping insertion in model container [2022-11-03 02:13:35,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:13:34" (1/1) ... [2022-11-03 02:13:35,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:13:35,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:13:35,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:13:35,608 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-03 02:13:35,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:13:35,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:13:35,723 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:13:35,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:13:35,804 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:13:35,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:35 WrapperNode [2022-11-03 02:13:35,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:13:35,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:13:35,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:13:35,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:13:35,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:35" (1/1) ... [2022-11-03 02:13:35,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:35" (1/1) ... [2022-11-03 02:13:35,858 INFO L138 Inliner]: procedures = 167, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 22 [2022-11-03 02:13:35,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:13:35,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:13:35,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:13:35,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:13:35,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:35" (1/1) ... [2022-11-03 02:13:35,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:35" (1/1) ... [2022-11-03 02:13:35,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:35" (1/1) ... [2022-11-03 02:13:35,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:35" (1/1) ... [2022-11-03 02:13:35,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:35" (1/1) ... [2022-11-03 02:13:35,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:35" (1/1) ... [2022-11-03 02:13:35,882 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:35" (1/1) ... [2022-11-03 02:13:35,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:35" (1/1) ... [2022-11-03 02:13:35,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:13:35,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:13:35,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:13:35,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:13:35,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:35" (1/1) ... [2022-11-03 02:13:35,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:13:35,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:13:35,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:13:35,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:13:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:13:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:13:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:13:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:13:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:13:36,108 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:13:36,110 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:13:36,216 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:13:36,222 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:13:36,222 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:13:36,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:13:36 BoogieIcfgContainer [2022-11-03 02:13:36,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:13:36,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:13:36,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:13:36,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:13:36,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:13:34" (1/3) ... [2022-11-03 02:13:36,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d67fa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:13:36, skipping insertion in model container [2022-11-03 02:13:36,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:35" (2/3) ... [2022-11-03 02:13:36,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d67fa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:13:36, skipping insertion in model container [2022-11-03 02:13:36,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:13:36" (3/3) ... [2022-11-03 02:13:36,234 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test3-1.i [2022-11-03 02:13:36,253 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:13:36,253 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-03 02:13:36,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:13:36,306 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;@5c79d1dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:13:36,306 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-03 02:13:36,311 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 10 states have (on average 1.5) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:13:36,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 02:13:36,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:36,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 02:13:36,321 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2022-11-03 02:13:36,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:36,327 INFO L85 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2022-11-03 02:13:36,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:13:36,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1344935366] [2022-11-03 02:13:36,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:36,341 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:13:36,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:13:36,346 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:13:36,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 02:13:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:13:36,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:13:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:13:36,590 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-03 02:13:36,592 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:13:36,593 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE (3 of 4 remaining) [2022-11-03 02:13:36,604 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE (2 of 4 remaining) [2022-11-03 02:13:36,605 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (1 of 4 remaining) [2022-11-03 02:13:36,605 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2022-11-03 02:13:36,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:13:36,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:13:36,824 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-03 02:13:36,829 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:13:36,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:13:36 BoogieIcfgContainer [2022-11-03 02:13:36,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:13:36,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:13:36,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:13:36,848 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:13:36,848 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:13:36" (3/4) ... [2022-11-03 02:13:36,850 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-03 02:13:36,885 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:13:36,885 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:13:36,886 INFO L158 Benchmark]: Toolchain (without parser) took 1891.55ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.6MB in the beginning and 45.4MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:13:36,887 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 34.9MB in the beginning and 34.8MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:13:36,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 809.03ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.3MB in the beginning and 32.8MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:13:36,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.44ms. Allocated memory is still 67.1MB. Free memory was 32.8MB in the beginning and 48.5MB in the end (delta: -15.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2022-11-03 02:13:36,889 INFO L158 Benchmark]: Boogie Preprocessor took 25.69ms. Allocated memory is still 67.1MB. Free memory was 48.5MB in the beginning and 47.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:13:36,889 INFO L158 Benchmark]: RCFGBuilder took 338.98ms. Allocated memory is still 67.1MB. Free memory was 47.1MB in the beginning and 36.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:13:36,890 INFO L158 Benchmark]: TraceAbstraction took 619.29ms. Allocated memory is still 67.1MB. Free memory was 35.9MB in the beginning and 47.2MB in the end (delta: -11.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-03 02:13:36,890 INFO L158 Benchmark]: Witness Printer took 37.85ms. Allocated memory is still 67.1MB. Free memory was 47.2MB in the beginning and 45.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:13:36,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 34.9MB in the beginning and 34.8MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 809.03ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.3MB in the beginning and 32.8MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.44ms. Allocated memory is still 67.1MB. Free memory was 32.8MB in the beginning and 48.5MB in the end (delta: -15.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.69ms. Allocated memory is still 67.1MB. Free memory was 48.5MB in the beginning and 47.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.98ms. Allocated memory is still 67.1MB. Free memory was 47.1MB in the beginning and 36.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 619.29ms. Allocated memory is still 67.1MB. Free memory was 35.9MB in the beginning and 47.2MB in the end (delta: -11.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 37.85ms. Allocated memory is still 67.1MB. Free memory was 47.2MB in the beginning and 45.4MB in the end (delta: 1.8MB). 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 - CounterExampleResult [Line: 763]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={1:0}] [L766] CALL entry_point() [L762] CALL, EXPR h_unsafe() [L759] return (int *)__VERIFIER_nondet_ulong(); [L762] RET, EXPR h_unsafe() [L762] int *p = h_unsafe(); [L763] COND TRUE \read(*p) VAL [ldv_global_msg_list={1:0}, p={0:-2147483648}] [L763] free(p) VAL [ldv_global_msg_list={1:0}, p={0:-2147483648}] - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 765]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 4 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, 5 NumberOfCodeBlocks, 5 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 proved your program to be incorrect! [2022-11-03 02:13:36,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573637c0-7b92-4a21-982b-cbd3960cb396/bin/utaipan-7li7fVZpFI/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free)