./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 8393723b 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_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/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_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS --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-8393723 [2022-11-19 06:59:26,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:59:26,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:59:26,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:59:26,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:59:26,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:59:26,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:59:26,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:59:26,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:59:26,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:59:26,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:59:26,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:59:26,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:59:26,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:59:26,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:59:26,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:59:26,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:59:26,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:59:26,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:59:26,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:59:26,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:59:26,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:59:26,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:59:26,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:59:26,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:59:26,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:59:26,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:59:26,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:59:26,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:59:26,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:59:26,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:59:26,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:59:26,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:59:26,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:59:26,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:59:26,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:59:26,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:59:26,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:59:26,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:59:26,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:59:26,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:59:26,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-19 06:59:26,675 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:59:26,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:59:26,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:59:26,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:59:26,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:59:26,678 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:59:26,678 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:59:26,678 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:59:26,679 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:59:26,679 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:59:26,679 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:59:26,680 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:59:26,680 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:59:26,680 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:59:26,681 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:59:26,681 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:59:26,681 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:59:26,682 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:59:26,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 06:59:26,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 06:59:26,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:59:26,684 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:59:26,684 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:59:26,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:59:26,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:59:26,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:59:26,686 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 06:59:26,686 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 06:59:26,686 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 06:59:26,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:59:26,687 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 06:59:26,687 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:59:26,687 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:59:26,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:59:26,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:59:26,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:59:26,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:59:26,689 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:59:26,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:59:26,690 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:59:26,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:59:26,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:59:26,690 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_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbdd132d1a656eb04120c9309772a096548e218c86a32fc06dd93d5ae981c163 [2022-11-19 06:59:26,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:59:27,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:59:27,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:59:27,007 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:59:27,008 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:59:27,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2022-11-19 06:59:27,113 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/data/48cabbd78/8241d09b013b4cd1a48163902ca25fdf/FLAG18ad68db4 [2022-11-19 06:59:27,742 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:59:27,743 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2022-11-19 06:59:27,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/data/48cabbd78/8241d09b013b4cd1a48163902ca25fdf/FLAG18ad68db4 [2022-11-19 06:59:27,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/data/48cabbd78/8241d09b013b4cd1a48163902ca25fdf [2022-11-19 06:59:27,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:59:27,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:59:27,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:59:27,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:59:27,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:59:27,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:59:27" (1/1) ... [2022-11-19 06:59:28,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af0552a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:28, skipping insertion in model container [2022-11-19 06:59:28,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:59:27" (1/1) ... [2022-11-19 06:59:28,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:59:28,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:59:28,334 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 06:59:28,949 WARN L234 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_5221fa0e-fdcd-4011-a000-bda28b97b943/sv-benchmarks/c/ldv-races/race-2_2-container_of.i[75002,75015] [2022-11-19 06:59:28,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:59:29,003 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) [2022-11-19 06:59:29,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@124fd8a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:29, skipping insertion in model container [2022-11-19 06:59:29,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:59:29,005 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 06:59:29,007 INFO L158 Benchmark]: Toolchain (without parser) took 1019.81ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 94.7MB in the end (delta: -4.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 06:59:29,008 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 79.7MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 33.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:59:29,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1012.01ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 94.7MB in the end (delta: -4.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 06:59:29,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 79.7MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 33.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1012.01ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 94.7MB in the end (delta: -4.1MB). Peak memory consumption was 12.6MB. 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_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/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_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS --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-8393723 [2022-11-19 06:59:31,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:59:31,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:59:31,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:59:31,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:59:31,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:59:31,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:59:31,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:59:31,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:59:31,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:59:31,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:59:31,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:59:31,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:59:31,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:59:31,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:59:31,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:59:31,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:59:31,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:59:31,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:59:31,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:59:31,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:59:31,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:59:31,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:59:31,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:59:31,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:59:31,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:59:31,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:59:31,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:59:31,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:59:31,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:59:31,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:59:31,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:59:31,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:59:31,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:59:31,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:59:31,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:59:31,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:59:31,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:59:31,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:59:31,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:59:31,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:59:31,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-19 06:59:31,237 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:59:31,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:59:31,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:59:31,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:59:31,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:59:31,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:59:31,240 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:59:31,240 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:59:31,240 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:59:31,241 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:59:31,241 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:59:31,241 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:59:31,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 06:59:31,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 06:59:31,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:59:31,243 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:59:31,243 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:59:31,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:59:31,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:59:31,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:59:31,244 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 06:59:31,245 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 06:59:31,245 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 06:59:31,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:59:31,245 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 06:59:31,246 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 06:59:31,246 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 06:59:31,246 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:59:31,247 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:59:31,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:59:31,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 06:59:31,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:59:31,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:59:31,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:59:31,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:59:31,249 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 06:59:31,249 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 06:59:31,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:59:31,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 06:59:31,250 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_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbdd132d1a656eb04120c9309772a096548e218c86a32fc06dd93d5ae981c163 [2022-11-19 06:59:31,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:59:31,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:59:31,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:59:31,641 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:59:31,642 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:59:31,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2022-11-19 06:59:31,724 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/data/16f80dd66/ac1a6cfcaa674a1288cb67b68489d2c3/FLAG44c696a38 [2022-11-19 06:59:32,448 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:59:32,449 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2022-11-19 06:59:32,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/data/16f80dd66/ac1a6cfcaa674a1288cb67b68489d2c3/FLAG44c696a38 [2022-11-19 06:59:32,698 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/data/16f80dd66/ac1a6cfcaa674a1288cb67b68489d2c3 [2022-11-19 06:59:32,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:59:32,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:59:32,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:59:32,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:59:32,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:59:32,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:59:32" (1/1) ... [2022-11-19 06:59:32,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f32833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:32, skipping insertion in model container [2022-11-19 06:59:32,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:59:32" (1/1) ... [2022-11-19 06:59:32,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:59:32,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:59:33,011 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 06:59:33,723 WARN L234 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_5221fa0e-fdcd-4011-a000-bda28b97b943/sv-benchmarks/c/ldv-races/race-2_2-container_of.i[75002,75015] [2022-11-19 06:59:33,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:59:33,787 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-19 06:59:33,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:59:33,807 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 06:59:33,835 WARN L234 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_5221fa0e-fdcd-4011-a000-bda28b97b943/sv-benchmarks/c/ldv-races/race-2_2-container_of.i[75002,75015] [2022-11-19 06:59:33,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:59:33,852 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:59:33,863 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 06:59:33,889 WARN L234 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_5221fa0e-fdcd-4011-a000-bda28b97b943/sv-benchmarks/c/ldv-races/race-2_2-container_of.i[75002,75015] [2022-11-19 06:59:33,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:59:34,046 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:59:34,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:34 WrapperNode [2022-11-19 06:59:34,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:59:34,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:59:34,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:59:34,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:59:34,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:34" (1/1) ... [2022-11-19 06:59:34,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:34" (1/1) ... [2022-11-19 06:59:34,146 INFO L138 Inliner]: procedures = 472, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 113 [2022-11-19 06:59:34,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:59:34,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:59:34,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:59:34,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:59:34,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:34" (1/1) ... [2022-11-19 06:59:34,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:34" (1/1) ... [2022-11-19 06:59:34,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:34" (1/1) ... [2022-11-19 06:59:34,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:34" (1/1) ... [2022-11-19 06:59:34,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:34" (1/1) ... [2022-11-19 06:59:34,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:34" (1/1) ... [2022-11-19 06:59:34,207 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:34" (1/1) ... [2022-11-19 06:59:34,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:34" (1/1) ... [2022-11-19 06:59:34,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:59:34,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:59:34,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:59:34,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:59:34,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:34" (1/1) ... [2022-11-19 06:59:34,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:59:34,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:59:34,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:59:34,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5221fa0e-fdcd-4011-a000-bda28b97b943/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:59:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 06:59:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:59:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 06:59:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-19 06:59:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 06:59:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:59:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:59:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:59:34,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:59:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 06:59:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-19 06:59:34,332 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-19 06:59:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:59:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 06:59:34,334 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 06:59:34,748 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:59:34,751 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:59:35,528 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:59:35,557 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:59:35,558 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:59:35,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:59:35 BoogieIcfgContainer [2022-11-19 06:59:35,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:59:35,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:59:35,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:59:35,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:59:35,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:59:32" (1/3) ... [2022-11-19 06:59:35,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37deea01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:59:35, skipping insertion in model container [2022-11-19 06:59:35,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:34" (2/3) ... [2022-11-19 06:59:35,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37deea01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:59:35, skipping insertion in model container [2022-11-19 06:59:35,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:59:35" (3/3) ... [2022-11-19 06:59:35,579 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2022-11-19 06:59:35,601 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:59:35,601 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2022-11-19 06:59:35,601 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 06:59:35,782 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-19 06:59:35,836 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 06:59:35,857 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 205 transitions, 426 flow [2022-11-19 06:59:35,868 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 205 transitions, 426 flow [2022-11-19 06:59:35,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 205 places, 205 transitions, 426 flow [2022-11-19 06:59:36,028 INFO L130 PetriNetUnfolder]: 8/262 cut-off events. [2022-11-19 06:59:36,028 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-19 06:59:36,037 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. [2022-11-19 06:59:36,045 INFO L119 LiptonReduction]: Number of co-enabled transitions 5024 [2022-11-19 07:01:13,100 WARN L233 SmtUtils]: Spent 6.01s 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) [2022-11-19 07:01:20,340 WARN L233 SmtUtils]: Spent 5.42s 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) [2022-11-19 07:02:39,057 WARN L233 SmtUtils]: Spent 7.09s 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) [2022-11-19 07:02:48,959 WARN L233 SmtUtils]: Spent 6.25s 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) [2022-11-19 07:03:09,394 WARN L233 SmtUtils]: Spent 16.56s 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) [2022-11-19 07:03:26,038 WARN L233 SmtUtils]: Spent 16.64s 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) [2022-11-19 07:03:33,920 WARN L233 SmtUtils]: Spent 7.88s 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) [2022-11-19 07:03:42,667 WARN L233 SmtUtils]: Spent 8.75s 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) [2022-11-19 07:06:48,290 WARN L233 SmtUtils]: Spent 3.09m 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) [2022-11-19 07:08:17,462 WARN L233 SmtUtils]: Spent 1.49m 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) [2022-11-19 07:12:07,110 WARN L233 SmtUtils]: Spent 3.83m 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) [2022-11-19 07:13:54,396 WARN L233 SmtUtils]: Spent 1.79m 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) [2022-11-19 07:14:15,487 WARN L233 SmtUtils]: Spent 20.73s 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) [2022-11-19 07:14:36,261 WARN L233 SmtUtils]: Spent 20.77s 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) [2022-11-19 07:14:56,217 WARN L233 SmtUtils]: Spent 19.95s 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)