./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:59:10,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:59:10,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:59:10,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:59:10,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:59:10,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:59:10,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:59:10,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:59:10,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:59:10,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:59:10,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:59:10,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:59:10,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:59:10,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:59:10,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:59:10,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:59:10,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:59:10,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:59:10,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:59:10,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:59:10,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:59:10,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:59:10,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:59:10,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:59:10,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:59:10,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:59:10,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:59:10,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:59:10,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:59:10,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:59:10,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:59:10,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:59:10,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:59:10,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:59:10,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:59:10,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:59:10,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:59:10,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:59:10,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:59:10,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:59:10,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:59:10,722 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 01:59:10,775 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:59:10,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:59:10,776 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:59:10,776 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:59:10,777 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:59:10,778 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:59:10,778 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:59:10,778 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:59:10,778 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:59:10,779 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:59:10,780 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:59:10,780 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:59:10,781 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:59:10,781 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:59:10,781 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:59:10,781 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:59:10,782 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:59:10,782 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:59:10,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:59:10,783 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:59:10,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:59:10,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:59:10,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:59:10,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:59:10,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:59:10,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:59:10,786 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:59:10,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:59:10,787 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:59:10,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:59:10,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:59:10,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:59:10,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:59:10,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:59:10,789 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:59:10,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:59:10,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:59:10,790 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:59:10,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:59:10,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:59:10,790 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:59:10,791 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_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2022-11-03 01:59:11,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:59:11,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:59:11,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:59:11,177 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:59:11,178 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:59:11,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-11-03 01:59:11,264 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/data/e88312dd6/e7ef1c1742a5434b9fbdda30f5c4ca3f/FLAGc9674e317 [2022-11-03 01:59:12,364 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:59:12,365 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-11-03 01:59:12,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/data/e88312dd6/e7ef1c1742a5434b9fbdda30f5c4ca3f/FLAGc9674e317 [2022-11-03 01:59:12,755 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/data/e88312dd6/e7ef1c1742a5434b9fbdda30f5c4ca3f [2022-11-03 01:59:12,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:59:12,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:59:12,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:59:12,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:59:12,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:59:12,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:59:12" (1/1) ... [2022-11-03 01:59:12,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e59703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:12, skipping insertion in model container [2022-11-03 01:59:12,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:59:12" (1/1) ... [2022-11-03 01:59:12,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:59:12,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:59:13,495 WARN L230 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_fd8d4d3b-494c-40ab-89cc-540655272935/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2022-11-03 01:59:17,298 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-03 01:59:17,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@734d23b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:17, skipping insertion in model container [2022-11-03 01:59:17,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:59:17,300 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 01:59:17,302 INFO L158 Benchmark]: Toolchain (without parser) took 4539.33ms. Allocated memory was 104.9MB in the beginning and 165.7MB in the end (delta: 60.8MB). Free memory was 57.6MB in the beginning and 124.5MB in the end (delta: -66.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-03 01:59:17,303 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:59:17,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4533.92ms. Allocated memory was 104.9MB in the beginning and 165.7MB in the end (delta: 60.8MB). Free memory was 57.4MB in the beginning and 124.5MB in the end (delta: -67.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-03 01:59:17,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4533.92ms. Allocated memory was 104.9MB in the beginning and 165.7MB in the end (delta: 60.8MB). Free memory was 57.4MB in the beginning and 124.5MB in the end (delta: -67.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf 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_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:59:20,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:59:20,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:59:20,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:59:20,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:59:20,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:59:20,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:59:20,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:59:20,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:59:20,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:59:20,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:59:20,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:59:20,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:59:20,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:59:20,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:59:20,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:59:20,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:59:20,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:59:20,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:59:20,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:59:20,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:59:20,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:59:20,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:59:20,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:59:20,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:59:20,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:59:20,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:59:20,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:59:20,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:59:20,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:59:20,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:59:20,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:59:20,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:59:20,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:59:20,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:59:20,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:59:20,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:59:20,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:59:20,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:59:20,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:59:20,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:59:20,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-03 01:59:20,210 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:59:20,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:59:20,211 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:59:20,211 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:59:20,212 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:59:20,212 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:59:20,212 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:59:20,213 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:59:20,213 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:59:20,213 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:59:20,214 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:59:20,219 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:59:20,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:59:20,221 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:59:20,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:59:20,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:59:20,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:59:20,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:59:20,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:59:20,223 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 01:59:20,223 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 01:59:20,223 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 01:59:20,223 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:59:20,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:59:20,224 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:59:20,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:59:20,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:59:20,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 01:59:20,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:59:20,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:59:20,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:59:20,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:59:20,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:59:20,228 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 01:59:20,228 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 01:59:20,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:59:20,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:59:20,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 01:59:20,230 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_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2022-11-03 01:59:20,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:59:20,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:59:20,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:59:20,779 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:59:20,780 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:59:20,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-11-03 01:59:20,880 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/data/8baea1c4e/a5f61d3df8c34feba551065ac9d02ce9/FLAG50a6e39ce [2022-11-03 01:59:22,114 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:59:22,116 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-11-03 01:59:22,179 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/data/8baea1c4e/a5f61d3df8c34feba551065ac9d02ce9/FLAG50a6e39ce [2022-11-03 01:59:22,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8d4d3b-494c-40ab-89cc-540655272935/bin/utaipan-7li7fVZpFI/data/8baea1c4e/a5f61d3df8c34feba551065ac9d02ce9 [2022-11-03 01:59:22,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:59:22,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:59:22,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:59:22,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:59:22,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:59:22,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:59:22" (1/1) ... [2022-11-03 01:59:22,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@192813bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:22, skipping insertion in model container [2022-11-03 01:59:22,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:59:22" (1/1) ... [2022-11-03 01:59:22,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:59:22,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:59:23,074 WARN L230 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_fd8d4d3b-494c-40ab-89cc-540655272935/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2022-11-03 01:59:27,044 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-03 01:59:27,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c203c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:27, skipping insertion in model container [2022-11-03 01:59:27,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:59:27,046 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 01:59:27,048 INFO L158 Benchmark]: Toolchain (without parser) took 4636.77ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 41.0MB in the beginning and 47.2MB in the end (delta: -6.3MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2022-11-03 01:59:27,049 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 71.3MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 54.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:59:27,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4630.50ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 40.8MB in the beginning and 47.2MB in the end (delta: -6.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2022-11-03 01:59:27,052 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 71.3MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 54.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4630.50ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 40.8MB in the beginning and 47.2MB in the end (delta: -6.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN