./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.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_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- 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 [2022-11-02 20:59:32,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:59:32,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:59:32,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:59:32,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:59:32,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:59:32,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:59:32,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:59:32,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:59:32,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:59:32,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:59:32,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:59:32,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:59:32,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:59:32,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:59:32,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:59:32,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:59:32,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:59:32,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:59:32,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:59:32,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:59:32,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:59:32,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:59:32,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:59:32,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:59:32,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:59:32,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:59:32,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:59:32,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:59:32,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:59:32,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:59:32,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:59:32,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:59:32,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:59:32,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:59:32,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:59:32,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:59:32,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:59:32,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:59:32,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:59:32,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:59:32,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:59:32,231 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:59:32,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:59:32,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:59:32,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:59:32,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:59:32,234 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:59:32,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:59:32,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:59:32,235 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:59:32,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:59:32,236 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:59:32,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:59:32,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:59:32,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:59:32,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:59:32,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:59:32,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:59:32,238 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:59:32,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:59:32,238 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:59:32,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:59:32,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:59:32,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:59:32,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:59:32,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:59:32,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:59:32,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:59:32,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:59:32,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:59:32,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:59:32,241 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:59:32,241 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:59:32,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:59:32,241 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_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2022-11-02 20:59:32,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:59:32,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:59:32,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:59:32,617 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:59:32,618 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:59:32,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-02 20:59:32,690 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/data/4a6ca5281/42f60dcc30944cb8828e7340707a7d8e/FLAG7a0406728 [2022-11-02 20:59:33,501 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:59:33,502 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-02 20:59:33,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/data/4a6ca5281/42f60dcc30944cb8828e7340707a7d8e/FLAG7a0406728 [2022-11-02 20:59:34,038 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/data/4a6ca5281/42f60dcc30944cb8828e7340707a7d8e [2022-11-02 20:59:34,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:59:34,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:59:34,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:59:34,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:59:34,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:59:34,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:59:34" (1/1) ... [2022-11-02 20:59:34,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d72196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:34, skipping insertion in model container [2022-11-02 20:59:34,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:59:34" (1/1) ... [2022-11-02 20:59:34,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:59:34,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:59:34,612 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_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-11-02 20:59:38,315 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-02 20:59:38,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4942171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:38, skipping insertion in model container [2022-11-02 20:59:38,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:59:38,318 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-02 20:59:38,321 INFO L158 Benchmark]: Toolchain (without parser) took 4276.25ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 63.4MB in the beginning and 93.3MB in the end (delta: -29.9MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-11-02 20:59:38,322 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:59:38,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4273.39ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 63.2MB in the beginning and 93.3MB in the end (delta: -30.1MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-11-02 20:59:38,327 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4273.39ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 63.2MB in the beginning and 93.3MB in the end (delta: -30.1MB). Peak memory consumption was 17.3MB. 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_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- 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 [2022-11-02 20:59:40,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:59:40,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:59:40,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:59:40,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:59:40,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:59:40,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:59:40,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:59:40,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:59:40,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:59:40,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:59:40,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:59:40,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:59:40,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:59:40,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:59:40,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:59:40,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:59:40,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:59:40,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:59:40,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:59:40,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:59:40,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:59:40,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:59:40,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:59:40,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:59:40,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:59:40,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:59:40,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:59:40,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:59:40,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:59:40,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:59:40,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:59:40,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:59:40,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:59:40,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:59:40,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:59:40,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:59:40,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:59:40,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:59:40,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:59:40,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:59:40,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-02 20:59:40,647 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:59:40,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:59:40,649 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:59:40,649 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:59:40,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:59:40,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:59:40,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:59:40,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:59:40,652 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:59:40,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:59:40,654 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:59:40,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:59:40,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:59:40,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:59:40,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:59:40,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:59:40,655 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 20:59:40,655 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:59:40,656 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:59:40,656 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:59:40,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:59:40,656 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:59:40,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:59:40,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:59:40,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:59:40,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:59:40,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:59:40,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:59:40,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:59:40,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:59:40,659 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:59:40,659 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:59:40,660 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:59:40,660 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:59:40,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:59:40,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:59:40,660 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_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2022-11-02 20:59:41,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:59:41,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:59:41,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:59:41,113 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:59:41,118 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:59:41,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-02 20:59:41,188 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/data/1a36d95cc/ce3817251e3949a5b6fae1ad1720cfa8/FLAGf42718e63 [2022-11-02 20:59:42,076 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:59:42,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-02 20:59:42,117 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/data/1a36d95cc/ce3817251e3949a5b6fae1ad1720cfa8/FLAGf42718e63 [2022-11-02 20:59:42,590 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/bin/uautomizer-Dbtcem3rbc/data/1a36d95cc/ce3817251e3949a5b6fae1ad1720cfa8 [2022-11-02 20:59:42,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:59:42,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:59:42,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:59:42,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:59:42,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:59:42,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:59:42" (1/1) ... [2022-11-02 20:59:42,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6213d447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:42, skipping insertion in model container [2022-11-02 20:59:42,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:59:42" (1/1) ... [2022-11-02 20:59:42,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:59:42,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:59:43,188 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_fee442fe-e2ba-4c55-a3bc-91d999d65b5d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-11-02 20:59:46,966 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-02 20:59:46,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f0dc52c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:46, skipping insertion in model container [2022-11-02 20:59:46,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:59:46,967 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-02 20:59:46,969 INFO L158 Benchmark]: Toolchain (without parser) took 4374.36ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 46.3MB in the beginning and 55.0MB in the end (delta: -8.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-11-02 20:59:46,970 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 75.5MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:59:46,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4371.97ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 46.1MB in the beginning and 55.0MB in the end (delta: -8.9MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-11-02 20:59:46,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 75.5MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4371.97ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 46.1MB in the beginning and 55.0MB in the end (delta: -8.9MB). Peak memory consumption was 24.3MB. 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