./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/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_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:45:06,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:45:06,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:45:07,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:45:07,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:45:07,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:45:07,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:45:07,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:45:07,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:45:07,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:45:07,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:45:07,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:45:07,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:45:07,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:45:07,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:45:07,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:45:07,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:45:07,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:45:07,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:45:07,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:45:07,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:45:07,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:45:07,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:45:07,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:45:07,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:45:07,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:45:07,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:45:07,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:45:07,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:45:07,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:45:07,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:45:07,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:45:07,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:45:07,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:45:07,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:45:07,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:45:07,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:45:07,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:45:07,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:45:07,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:45:07,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:45:07,151 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 02:45:07,202 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:45:07,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:45:07,203 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:45:07,203 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:45:07,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:45:07,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:45:07,205 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:45:07,206 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:45:07,206 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:45:07,206 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:45:07,208 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:45:07,208 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:45:07,208 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:45:07,209 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:45:07,209 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:45:07,209 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:45:07,210 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:45:07,210 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:45:07,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:45:07,211 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:45:07,211 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:45:07,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:45:07,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:45:07,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:45:07,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:45:07,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:45:07,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:45:07,213 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:45:07,214 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:45:07,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:45:07,214 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:45:07,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:45:07,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:45:07,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:45:07,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:45:07,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:45:07,216 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:45:07,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:45:07,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:45:07,217 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:45:07,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:45:07,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:45:07,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:45:07,218 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_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2022-11-03 02:45:07,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:45:07,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:45:07,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:45:07,598 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:45:07,599 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:45:07,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-11-03 02:45:07,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/data/6ed9bfae1/03620c613dca4f759057cf1fc38d40b8/FLAGd633529d8 [2022-11-03 02:45:08,684 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:45:08,686 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-11-03 02:45:08,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/data/6ed9bfae1/03620c613dca4f759057cf1fc38d40b8/FLAGd633529d8 [2022-11-03 02:45:09,110 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/data/6ed9bfae1/03620c613dca4f759057cf1fc38d40b8 [2022-11-03 02:45:09,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:45:09,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:45:09,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:45:09,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:45:09,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:45:09,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:45:09" (1/1) ... [2022-11-03 02:45:09,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74bc344b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:09, skipping insertion in model container [2022-11-03 02:45:09,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:45:09" (1/1) ... [2022-11-03 02:45:09,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:45:09,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:45:09,807 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_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2022-11-03 02:45:15,182 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-03 02:45:15,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a6f8f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:15, skipping insertion in model container [2022-11-03 02:45:15,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:45:15,183 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 02:45:15,185 INFO L158 Benchmark]: Toolchain (without parser) took 6066.96ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 70.7MB in the beginning and 100.7MB in the end (delta: -30.0MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2022-11-03 02:45:15,186 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 87.6MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:45:15,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6060.87ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 70.5MB in the beginning and 100.7MB in the end (delta: -30.2MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2022-11-03 02:45:15,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 87.6MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6060.87ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 70.5MB in the beginning and 100.7MB in the end (delta: -30.2MB). Peak memory consumption was 30.4MB. 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_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/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_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:45:17,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:45:17,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:45:17,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:45:17,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:45:17,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:45:17,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:45:17,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:45:17,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:45:17,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:45:17,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:45:17,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:45:17,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:45:17,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:45:17,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:45:17,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:45:17,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:45:17,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:45:17,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:45:17,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:45:17,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:45:17,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:45:17,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:45:17,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:45:17,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:45:17,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:45:17,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:45:17,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:45:17,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:45:17,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:45:17,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:45:17,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:45:17,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:45:17,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:45:17,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:45:17,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:45:17,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:45:17,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:45:17,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:45:17,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:45:17,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:45:17,808 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-11-03 02:45:17,859 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:45:17,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:45:17,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:45:17,862 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:45:17,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:45:17,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:45:17,864 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:45:17,864 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:45:17,864 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:45:17,864 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:45:17,866 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:45:17,866 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:45:17,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:45:17,868 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:45:17,869 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:45:17,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:45:17,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:45:17,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:45:17,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:45:17,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:45:17,870 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:45:17,870 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:45:17,871 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:45:17,871 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:45:17,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:45:17,871 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:45:17,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:45:17,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:45:17,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:45:17,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:45:17,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:45:17,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:45:17,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:45:17,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:45:17,874 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:45:17,874 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:45:17,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:45:17,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:45:17,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:45:17,876 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_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2022-11-03 02:45:18,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:45:18,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:45:18,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:45:18,339 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:45:18,340 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:45:18,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-11-03 02:45:18,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/data/ffeedd1df/5ff465d27f37449a917b594a75186468/FLAG5996396e1 [2022-11-03 02:45:19,359 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:45:19,360 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-11-03 02:45:19,413 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/data/ffeedd1df/5ff465d27f37449a917b594a75186468/FLAG5996396e1 [2022-11-03 02:45:19,827 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/bin/utaipan-7li7fVZpFI/data/ffeedd1df/5ff465d27f37449a917b594a75186468 [2022-11-03 02:45:19,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:45:19,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:45:19,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:45:19,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:45:19,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:45:19,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:45:19" (1/1) ... [2022-11-03 02:45:19,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa21f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:19, skipping insertion in model container [2022-11-03 02:45:19,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:45:19" (1/1) ... [2022-11-03 02:45:19,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:45:20,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:45:20,542 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_246b6a36-0ba3-4f4f-84a6-c67891ed11a7/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2022-11-03 02:45:24,303 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-03 02:45:24,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c10445f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:24, skipping insertion in model container [2022-11-03 02:45:24,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:45:24,304 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 02:45:24,306 INFO L158 Benchmark]: Toolchain (without parser) took 4473.85ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 30.7MB in the beginning and 35.5MB in the end (delta: -4.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-03 02:45:24,307 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 62.9MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:45:24,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4471.43ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 30.5MB in the beginning and 35.9MB in the end (delta: -5.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-03 02:45:24,309 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 62.9MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4471.43ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 30.5MB in the beginning and 35.9MB in the end (delta: -5.4MB). Peak memory consumption was 23.1MB. 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