./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/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_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 01:19:59,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:19:59,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:19:59,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:19:59,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:19:59,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:19:59,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:19:59,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:19:59,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:19:59,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:19:59,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:19:59,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:19:59,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:19:59,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:19:59,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:19:59,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:19:59,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:19:59,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:19:59,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:19:59,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:19:59,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:19:59,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:19:59,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:19:59,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:19:59,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:19:59,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:19:59,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:19:59,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:19:59,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:19:59,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:19:59,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:19:59,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:19:59,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:19:59,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:19:59,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:19:59,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:19:59,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:19:59,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:19:59,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:19:59,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:19:59,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:19:59,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-22 01:19:59,694 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:19:59,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:19:59,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:19:59,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:19:59,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:19:59,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:19:59,697 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:19:59,697 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:19:59,697 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:19:59,698 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:19:59,699 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:19:59,699 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:19:59,699 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:19:59,700 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:19:59,700 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:19:59,700 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:19:59,700 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:19:59,700 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:19:59,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 01:19:59,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 01:19:59,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:19:59,702 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:19:59,702 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:19:59,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:19:59,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:19:59,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:19:59,703 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-22 01:19:59,703 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-22 01:19:59,703 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-22 01:19:59,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:19:59,704 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:19:59,704 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:19:59,704 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:19:59,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:19:59,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:19:59,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:19:59,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:19:59,706 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:19:59,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:19:59,706 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:19:59,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:19:59,707 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:19:59,707 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_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbdd132d1a656eb04120c9309772a096548e218c86a32fc06dd93d5ae981c163 [2022-11-22 01:20:00,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:20:00,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:20:00,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:20:00,089 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:20:00,089 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:20:00,090 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2022-11-22 01:20:03,235 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:20:03,613 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:20:03,613 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2022-11-22 01:20:03,643 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/data/23b7af841/dac3a5dafab94a7386d2801093c58351/FLAG40405ddd4 [2022-11-22 01:20:03,661 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/data/23b7af841/dac3a5dafab94a7386d2801093c58351 [2022-11-22 01:20:03,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:20:03,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:20:03,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:20:03,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:20:03,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:20:03,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:20:03" (1/1) ... [2022-11-22 01:20:03,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3407cf0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:03, skipping insertion in model container [2022-11-22 01:20:03,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:20:03" (1/1) ... [2022-11-22 01:20:03,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:20:03,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:20:03,962 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 01:20:04,593 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_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/sv-benchmarks/c/ldv-races/race-2_2-container_of.i[75002,75015] [2022-11-22 01:20:04,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:20:04,639 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) [2022-11-22 01:20:04,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d7df3c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:04, skipping insertion in model container [2022-11-22 01:20:04,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:20:04,641 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 01:20:04,643 INFO L158 Benchmark]: Toolchain (without parser) took 974.63ms. Allocated memory is still 161.5MB. Free memory was 121.7MB in the beginning and 126.5MB in the end (delta: -4.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 01:20:04,643 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:20:04,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 970.45ms. Allocated memory is still 161.5MB. Free memory was 121.4MB in the beginning and 126.5MB in the end (delta: -5.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 01:20:04,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 970.45ms. Allocated memory is still 161.5MB. Free memory was 121.4MB in the beginning and 126.5MB in the end (delta: -5.1MB). Peak memory consumption was 16.8MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/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_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 01:20:06,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:20:06,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:20:06,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:20:06,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:20:06,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:20:06,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:20:06,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:20:06,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:20:06,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:20:06,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:20:06,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:20:06,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:20:06,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:20:06,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:20:06,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:20:06,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:20:06,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:20:06,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:20:06,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:20:06,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:20:06,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:20:06,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:20:06,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:20:06,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:20:06,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:20:06,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:20:06,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:20:06,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:20:06,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:20:06,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:20:06,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:20:06,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:20:06,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:20:06,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:20:06,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:20:06,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:20:06,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:20:06,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:20:06,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:20:06,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:20:06,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-22 01:20:07,024 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:20:07,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:20:07,025 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:20:07,025 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:20:07,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:20:07,026 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:20:07,026 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:20:07,027 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:20:07,027 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:20:07,027 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:20:07,028 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:20:07,029 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:20:07,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 01:20:07,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 01:20:07,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:20:07,030 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:20:07,031 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:20:07,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:20:07,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:20:07,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:20:07,032 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-22 01:20:07,032 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-22 01:20:07,032 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-22 01:20:07,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:20:07,033 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:20:07,033 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:20:07,034 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:20:07,034 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:20:07,034 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:20:07,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:20:07,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:20:07,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:20:07,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:20:07,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:20:07,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:20:07,036 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:20:07,036 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:20:07,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:20:07,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:20:07,037 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_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbdd132d1a656eb04120c9309772a096548e218c86a32fc06dd93d5ae981c163 [2022-11-22 01:20:07,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:20:07,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:20:07,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:20:07,424 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:20:07,425 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:20:07,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2022-11-22 01:20:10,507 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:20:10,917 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:20:10,918 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2022-11-22 01:20:10,939 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/data/bb301e7a7/732ea1ed62ad4dc3830c1ba5fb2ecb1f/FLAG9e63c3754 [2022-11-22 01:20:10,964 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/data/bb301e7a7/732ea1ed62ad4dc3830c1ba5fb2ecb1f [2022-11-22 01:20:10,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:20:10,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:20:10,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:20:10,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:20:10,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:20:10,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:20:10" (1/1) ... [2022-11-22 01:20:10,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101e6d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:10, skipping insertion in model container [2022-11-22 01:20:10,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:20:10" (1/1) ... [2022-11-22 01:20:10,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:20:11,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:20:11,208 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 01:20:11,899 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_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/sv-benchmarks/c/ldv-races/race-2_2-container_of.i[75002,75015] [2022-11-22 01:20:11,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:20:11,973 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-22 01:20:11,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:20:11,990 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 01:20:12,019 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_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/sv-benchmarks/c/ldv-races/race-2_2-container_of.i[75002,75015] [2022-11-22 01:20:12,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:20:12,035 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:20:12,046 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 01:20:12,072 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_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/sv-benchmarks/c/ldv-races/race-2_2-container_of.i[75002,75015] [2022-11-22 01:20:12,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:20:12,205 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:20:12,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:12 WrapperNode [2022-11-22 01:20:12,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:20:12,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:20:12,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:20:12,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:20:12,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:12" (1/1) ... [2022-11-22 01:20:12,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:12" (1/1) ... [2022-11-22 01:20:12,294 INFO L138 Inliner]: procedures = 472, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 113 [2022-11-22 01:20:12,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:20:12,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:20:12,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:20:12,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:20:12,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:12" (1/1) ... [2022-11-22 01:20:12,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:12" (1/1) ... [2022-11-22 01:20:12,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:12" (1/1) ... [2022-11-22 01:20:12,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:12" (1/1) ... [2022-11-22 01:20:12,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:12" (1/1) ... [2022-11-22 01:20:12,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:12" (1/1) ... [2022-11-22 01:20:12,335 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:12" (1/1) ... [2022-11-22 01:20:12,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:12" (1/1) ... [2022-11-22 01:20:12,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:20:12,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:20:12,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:20:12,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:20:12,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:12" (1/1) ... [2022-11-22 01:20:12,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:20:12,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:20:12,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:20:12,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:20:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-22 01:20:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:20:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-22 01:20:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-22 01:20:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-22 01:20:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:20:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:20:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:20:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:20:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-22 01:20:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-22 01:20:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-22 01:20:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:20:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-22 01:20:12,452 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 01:20:12,891 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:20:12,895 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:20:13,453 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:20:13,476 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:20:13,476 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:20:13,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:20:13 BoogieIcfgContainer [2022-11-22 01:20:13,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:20:13,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:20:13,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:20:13,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:20:13,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:20:10" (1/3) ... [2022-11-22 01:20:13,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd911f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:20:13, skipping insertion in model container [2022-11-22 01:20:13,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:12" (2/3) ... [2022-11-22 01:20:13,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd911f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:20:13, skipping insertion in model container [2022-11-22 01:20:13,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:20:13" (3/3) ... [2022-11-22 01:20:13,489 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2022-11-22 01:20:13,509 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:20:13,509 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2022-11-22 01:20:13,509 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 01:20:13,656 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-22 01:20:13,706 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:20:13,730 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 205 transitions, 426 flow [2022-11-22 01:20:13,735 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 205 transitions, 426 flow [2022-11-22 01:20:13,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 205 places, 205 transitions, 426 flow [2022-11-22 01:20:13,892 INFO L130 PetriNetUnfolder]: 8/262 cut-off events. [2022-11-22 01:20:13,892 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-22 01:20:13,900 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. [2022-11-22 01:20:13,906 INFO L119 LiptonReduction]: Number of co-enabled transitions 5024 [2022-11-22 01:21:49,292 WARN L233 SmtUtils]: Spent 5.97s 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) [2022-11-22 01:21:58,582 WARN L233 SmtUtils]: Spent 7.09s 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) [2022-11-22 01:23:12,974 WARN L233 SmtUtils]: Spent 5.35s 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) [2022-11-22 01:23:21,764 WARN L233 SmtUtils]: Spent 5.92s 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) [2022-11-22 01:23:40,040 WARN L233 SmtUtils]: Spent 14.98s 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) [2022-11-22 01:23:54,012 WARN L233 SmtUtils]: Spent 13.97s 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) [2022-11-22 01:24:00,663 WARN L233 SmtUtils]: Spent 6.65s 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) [2022-11-22 01:24:08,509 WARN L233 SmtUtils]: Spent 7.84s 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) [2022-11-22 01:27:12,351 WARN L233 SmtUtils]: Spent 3.06m 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) [2022-11-22 01:28:42,011 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) [2022-11-22 01:31:58,431 WARN L233 SmtUtils]: Spent 3.27m 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) [2022-11-22 01:33:49,976 WARN L233 SmtUtils]: Spent 1.86m 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) [2022-11-22 01:34:12,168 WARN L233 SmtUtils]: Spent 21.73s 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) [2022-11-22 01:34:34,740 WARN L233 SmtUtils]: Spent 22.57s 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) [2022-11-22 01:34:55,712 WARN L233 SmtUtils]: Spent 20.97s 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) [2022-11-22 01:35:16,542 WARN L233 SmtUtils]: Spent 20.83s 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) [2022-11-22 01:35:16,547 INFO L134 LiptonReduction]: Checked pairs total: 18715 [2022-11-22 01:35:16,548 INFO L136 LiptonReduction]: Total number of compositions: 238 [2022-11-22 01:35:16,557 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 78 places, 75 transitions, 166 flow [2022-11-22 01:35:16,713 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2549 states, 1745 states have (on average 3.9948424068767907) internal successors, (6971), 2548 states have internal predecessors, (6971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:35:16,739 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:35:16,744 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@731ddad4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:35:16,744 INFO L358 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2022-11-22 01:35:16,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 2549 states, 1745 states have (on average 3.9948424068767907) internal successors, (6971), 2548 states have internal predecessors, (6971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:35:16,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-22 01:35:16,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:35:16,763 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-22 01:35:16,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 50 more)] === [2022-11-22 01:35:16,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:35:16,777 INFO L85 PathProgramCache]: Analyzing trace with hash 724, now seen corresponding path program 1 times [2022-11-22 01:35:16,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:35:16,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [298572127] [2022-11-22 01:35:16,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:35:16,801 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:35:16,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:35:16,807 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:35:16,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-22 01:35:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:35:16,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-22 01:35:16,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:35:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:35:17,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:35:17,002 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:35:17,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [298572127] [2022-11-22 01:35:17,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [298572127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:35:17,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:35:17,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-22 01:35:17,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796283409] [2022-11-22 01:35:17,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:35:17,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 01:35:17,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:35:17,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 01:35:17,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:35:17,060 INFO L87 Difference]: Start difference. First operand has 2549 states, 1745 states have (on average 3.9948424068767907) internal successors, (6971), 2548 states have internal predecessors, (6971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:35:18,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec, FloatRoundingMode], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:18,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:35:18,958 INFO L93 Difference]: Finished difference Result 2239 states and 6019 transitions. [2022-11-22 01:35:18,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 01:35:18,964 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-22 01:35:18,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:35:19,010 INFO L225 Difference]: With dead ends: 2239 [2022-11-22 01:35:19,011 INFO L226 Difference]: Without dead ends: 2236 [2022-11-22 01:35:19,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:35:19,016 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:35:19,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-22 01:35:19,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2236 states. [2022-11-22 01:35:19,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2236 to 2236. [2022-11-22 01:35:19,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2236 states, 1591 states have (on average 3.780012570710245) internal successors, (6014), 2235 states have internal predecessors, (6014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:35:19,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 6014 transitions. [2022-11-22 01:35:19,226 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 6014 transitions. Word has length 1 [2022-11-22 01:35:19,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:35:19,227 INFO L495 AbstractCegarLoop]: Abstraction has 2236 states and 6014 transitions. [2022-11-22 01:35:19,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:35:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 6014 transitions. [2022-11-22 01:35:19,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-22 01:35:19,230 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:35:19,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-22 01:35:19,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:35:19,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:35:19,458 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 50 more)] === [2022-11-22 01:35:19,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:35:19,459 INFO L85 PathProgramCache]: Analyzing trace with hash 23165, now seen corresponding path program 1 times [2022-11-22 01:35:19,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:35:19,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1233820804] [2022-11-22 01:35:19,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:35:19,460 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:35:19,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:35:19,480 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:35:19,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-22 01:35:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:35:19,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 01:35:19,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:35:19,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:35:19,774 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:35:19,775 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:35:19,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1233820804] [2022-11-22 01:35:19,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1233820804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:35:19,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:35:19,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 01:35:19,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244401362] [2022-11-22 01:35:19,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:35:19,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:35:19,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:35:19,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:35:19,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:35:19,779 INFO L87 Difference]: Start difference. First operand 2236 states and 6014 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:35:22,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:35:22,237 INFO L93 Difference]: Finished difference Result 2248 states and 6025 transitions. [2022-11-22 01:35:22,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:35:22,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2022-11-22 01:35:22,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:35:22,257 INFO L225 Difference]: With dead ends: 2248 [2022-11-22 01:35:22,257 INFO L226 Difference]: Without dead ends: 2248 [2022-11-22 01:35:22,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:35:22,259 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 14 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:35:22,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 30 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-22 01:35:22,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2248 states. [2022-11-22 01:35:22,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2248 to 2234. [2022-11-22 01:35:22,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2234 states, 1591 states have (on average 3.778755499685732) internal successors, (6012), 2233 states have internal predecessors, (6012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:35:22,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 2234 states and 6012 transitions. [2022-11-22 01:35:22,388 INFO L78 Accepts]: Start accepts. Automaton has 2234 states and 6012 transitions. Word has length 2 [2022-11-22 01:35:22,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:35:22,389 INFO L495 AbstractCegarLoop]: Abstraction has 2234 states and 6012 transitions. [2022-11-22 01:35:22,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:35:22,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 6012 transitions. [2022-11-22 01:35:22,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 01:35:22,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:35:22,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 01:35:22,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:35:22,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:35:22,609 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 50 more)] === [2022-11-22 01:35:22,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:35:22,610 INFO L85 PathProgramCache]: Analyzing trace with hash 709535, now seen corresponding path program 1 times [2022-11-22 01:35:22,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:35:22,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355527206] [2022-11-22 01:35:22,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:35:22,612 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:35:22,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:35:22,613 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:35:22,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300fa8e7-327c-46f5-b2b9-c85d68b4abdd/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-22 01:35:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:35:22,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-22 01:35:23,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:35:23,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-22 01:35:23,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:35:23,159 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:35:23,159 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:35:23,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355527206] [2022-11-22 01:35:23,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355527206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:35:23,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:35:23,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:35:23,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12257671] [2022-11-22 01:35:23,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:35:23,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:35:23,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:35:23,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:35:23,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:35:23,161 INFO L87 Difference]: Start difference. First operand 2234 states and 6012 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:35:25,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec, FloatRoundingMode], hasArrays=true, hasNonlinArith=false, quantifiers []