./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a 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_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur --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 dbdd132d1a656eb04120c9309772a096548e218c86a32fc06dd93d5ae981c163 --- 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-38b53e6 [2022-11-25 22:37:35,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:37:35,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:37:35,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:37:35,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:37:35,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:37:35,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:37:35,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:37:35,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:37:35,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:37:35,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:37:35,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:37:35,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:37:35,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:37:35,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:37:35,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:37:35,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:37:35,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:37:35,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:37:35,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:37:35,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:37:35,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:37:35,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:37:35,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:37:35,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:37:35,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:37:35,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:37:35,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:37:35,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:37:35,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:37:35,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:37:35,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:37:35,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:37:35,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:37:35,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:37:35,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:37:35,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:37:35,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:37:35,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:37:35,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:37:35,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:37:35,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-25 22:37:35,264 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:37:35,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:37:35,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:37:35,272 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:37:35,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:37:35,274 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:37:35,274 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:37:35,274 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:37:35,274 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:37:35,275 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:37:35,276 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:37:35,276 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:37:35,276 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:37:35,276 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:37:35,277 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:37:35,277 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:37:35,277 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:37:35,277 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:37:35,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 22:37:35,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 22:37:35,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:37:35,279 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:37:35,280 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:37:35,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:37:35,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:37:35,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:37:35,281 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 22:37:35,281 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 22:37:35,281 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 22:37:35,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:37:35,282 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:37:35,282 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:37:35,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:37:35,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:37:35,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:37:35,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:37:35,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:37:35,284 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:37:35,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:37:35,284 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:37:35,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:37:35,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:37:35,285 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_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbdd132d1a656eb04120c9309772a096548e218c86a32fc06dd93d5ae981c163 [2022-11-25 22:37:35,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:37:35,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:37:35,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:37:35,595 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:37:35,596 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:37:35,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2022-11-25 22:37:38,678 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:37:39,071 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:37:39,072 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2022-11-25 22:37:39,089 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/data/350d3e93a/29ba38fa18a846408fb50f41030c1f8b/FLAGf89548784 [2022-11-25 22:37:39,104 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/data/350d3e93a/29ba38fa18a846408fb50f41030c1f8b [2022-11-25 22:37:39,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:37:39,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:37:39,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:37:39,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:37:39,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:37:39,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:37:39" (1/1) ... [2022-11-25 22:37:39,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7f72e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:39, skipping insertion in model container [2022-11-25 22:37:39,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:37:39" (1/1) ... [2022-11-25 22:37:39,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:37:39,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:37:39,358 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:37:40,014 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/sv-benchmarks/c/ldv-races/race-2_2-container_of.i[75002,75015] [2022-11-25 22:37:40,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:37:40,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:37:40,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:37:40,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:37:40,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:37:40,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:37:40,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:37:40,072 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) [2022-11-25 22:37:40,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1651c202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:40, skipping insertion in model container [2022-11-25 22:37:40,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:37:40,075 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 22:37:40,077 INFO L158 Benchmark]: Toolchain (without parser) took 968.71ms. Allocated memory is still 167.8MB. Free memory was 132.6MB in the beginning and 113.5MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 22:37:40,078 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory was 137.2MB in the beginning and 137.1MB in the end (delta: 89.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:37:40,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 966.35ms. Allocated memory is still 167.8MB. Free memory was 132.2MB in the beginning and 113.5MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 22:37:40,085 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 167.8MB. Free memory was 137.2MB in the beginning and 137.1MB in the end (delta: 89.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 966.35ms. Allocated memory is still 167.8MB. Free memory was 132.2MB in the beginning and 113.5MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1691]: 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_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur --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 dbdd132d1a656eb04120c9309772a096548e218c86a32fc06dd93d5ae981c163 --- 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-38b53e6 [2022-11-25 22:37:42,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:37:42,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:37:42,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:37:42,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:37:42,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:37:42,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:37:42,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:37:42,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:37:42,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:37:42,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:37:42,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:37:42,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:37:42,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:37:42,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:37:42,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:37:42,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:37:42,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:37:42,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:37:42,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:37:42,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:37:42,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:37:42,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:37:42,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:37:42,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:37:42,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:37:42,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:37:42,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:37:42,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:37:42,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:37:42,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:37:42,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:37:42,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:37:42,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:37:42,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:37:42,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:37:42,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:37:42,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:37:42,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:37:42,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:37:42,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:37:42,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-25 22:37:42,542 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:37:42,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:37:42,543 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:37:42,544 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:37:42,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:37:42,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:37:42,545 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:37:42,545 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:37:42,546 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:37:42,546 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:37:42,547 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:37:42,547 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:37:42,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 22:37:42,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 22:37:42,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:37:42,549 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:37:42,549 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:37:42,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:37:42,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:37:42,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:37:42,550 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 22:37:42,550 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 22:37:42,550 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 22:37:42,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:37:42,551 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:37:42,551 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:37:42,551 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:37:42,551 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:37:42,551 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:37:42,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:37:42,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:37:42,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:37:42,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:37:42,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:37:42,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:37:42,553 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:37:42,553 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:37:42,554 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:37:42,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:37:42,554 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_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbdd132d1a656eb04120c9309772a096548e218c86a32fc06dd93d5ae981c163 [2022-11-25 22:37:42,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:37:43,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:37:43,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:37:43,015 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:37:43,016 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:37:43,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2022-11-25 22:37:46,111 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:37:46,593 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:37:46,594 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2022-11-25 22:37:46,621 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/data/47b4e03b8/4e05b623e9c943e7a9956b331c97d84a/FLAGa0dfae21f [2022-11-25 22:37:46,648 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/data/47b4e03b8/4e05b623e9c943e7a9956b331c97d84a [2022-11-25 22:37:46,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:37:46,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:37:46,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:37:46,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:37:46,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:37:46,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:37:46" (1/1) ... [2022-11-25 22:37:46,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4d9c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:46, skipping insertion in model container [2022-11-25 22:37:46,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:37:46" (1/1) ... [2022-11-25 22:37:46,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:37:46,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:37:46,878 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:37:47,473 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/sv-benchmarks/c/ldv-races/race-2_2-container_of.i[75002,75015] [2022-11-25 22:37:47,483 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:37:47,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:37:47,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:37:47,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:37:47,504 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:37:47,504 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:37:47,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:37:47,583 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 22:37:47,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:37:47,615 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:37:47,656 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/sv-benchmarks/c/ldv-races/race-2_2-container_of.i[75002,75015] [2022-11-25 22:37:47,659 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:37:47,659 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:37:47,659 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:37:47,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:37:47,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:37:47,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:37:47,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:37:47,675 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:37:47,690 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:37:47,723 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/sv-benchmarks/c/ldv-races/race-2_2-container_of.i[75002,75015] [2022-11-25 22:37:47,725 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:37:47,726 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:37:47,726 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:37:47,726 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:37:47,727 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:37:47,727 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:37:47,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:37:47,882 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:37:47,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:47 WrapperNode [2022-11-25 22:37:47,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:37:47,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:37:47,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:37:47,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:37:47,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:47" (1/1) ... [2022-11-25 22:37:47,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:47" (1/1) ... [2022-11-25 22:37:47,967 INFO L138 Inliner]: procedures = 472, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 113 [2022-11-25 22:37:47,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:37:47,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:37:47,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:37:47,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:37:47,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:47" (1/1) ... [2022-11-25 22:37:47,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:47" (1/1) ... [2022-11-25 22:37:47,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:47" (1/1) ... [2022-11-25 22:37:47,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:47" (1/1) ... [2022-11-25 22:37:48,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:47" (1/1) ... [2022-11-25 22:37:48,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:47" (1/1) ... [2022-11-25 22:37:48,016 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:47" (1/1) ... [2022-11-25 22:37:48,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:47" (1/1) ... [2022-11-25 22:37:48,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:37:48,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:37:48,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:37:48,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:37:48,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:47" (1/1) ... [2022-11-25 22:37:48,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:37:48,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:37:48,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:37:48,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557adf60-8f1b-406d-8c3c-b6bd8ceed81c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:37:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 22:37:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:37:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 22:37:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-25 22:37:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 22:37:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:37:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:37:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:37:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:37:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 22:37:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-25 22:37:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-25 22:37:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:37:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 22:37:48,132 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 22:37:48,563 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:37:48,565 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:37:49,181 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:37:49,203 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:37:49,203 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:37:49,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:37:49 BoogieIcfgContainer [2022-11-25 22:37:49,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:37:49,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:37:49,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:37:49,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:37:49,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:37:46" (1/3) ... [2022-11-25 22:37:49,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1dbeb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:37:49, skipping insertion in model container [2022-11-25 22:37:49,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:37:47" (2/3) ... [2022-11-25 22:37:49,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1dbeb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:37:49, skipping insertion in model container [2022-11-25 22:37:49,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:37:49" (3/3) ... [2022-11-25 22:37:49,215 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2022-11-25 22:37:49,237 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:37:49,237 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2022-11-25 22:37:49,237 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 22:37:49,372 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-25 22:37:49,423 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 22:37:49,453 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 205 transitions, 426 flow [2022-11-25 22:37:49,456 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 205 transitions, 426 flow [2022-11-25 22:37:49,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 205 places, 205 transitions, 426 flow [2022-11-25 22:37:49,561 INFO L130 PetriNetUnfolder]: 8/262 cut-off events. [2022-11-25 22:37:49,561 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 22:37:49,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 271 conditions, 262 events. 8/262 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 643 event pairs, 0 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 139. Up to 4 conditions per place. [2022-11-25 22:37:49,571 INFO L119 LiptonReduction]: Number of co-enabled transitions 5024 [2022-11-25 22:39:25,810 WARN L233 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 112 DAG size of output: 111 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:39:33,391 WARN L233 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 112 DAG size of output: 111 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:40:52,750 WARN L233 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 132 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:41:01,719 WARN L233 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 132 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:41:19,691 WARN L233 SmtUtils]: Spent 14.80s on a formula simplification that was a NOOP. DAG size: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:41:34,821 WARN L233 SmtUtils]: Spent 15.13s on a formula simplification that was a NOOP. DAG size: 202 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:41:41,808 WARN L233 SmtUtils]: Spent 6.98s on a formula simplification that was a NOOP. DAG size: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:41:48,537 WARN L233 SmtUtils]: Spent 6.73s on a formula simplification that was a NOOP. DAG size: 202 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:44:58,037 WARN L233 SmtUtils]: Spent 3.16m on a formula simplification. DAG size of input: 255 DAG size of output: 251 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:46:36,170 WARN L233 SmtUtils]: Spent 1.64m on a formula simplification that was a NOOP. DAG size: 245 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:50:19,290 WARN L233 SmtUtils]: Spent 3.72m on a formula simplification. DAG size of input: 255 DAG size of output: 251 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:52:09,875 WARN L233 SmtUtils]: Spent 1.84m on a formula simplification that was a NOOP. DAG size: 245 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:52:32,794 WARN L233 SmtUtils]: Spent 22.45s on a formula simplification that was a NOOP. DAG size: 212 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:52:56,063 WARN L233 SmtUtils]: Spent 23.27s on a formula simplification that was a NOOP. DAG size: 212 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)