./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.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_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8 --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 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-e04fb08 [2022-11-16 11:36:08,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:36:08,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:36:08,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:36:08,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:36:08,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:36:08,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:36:08,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:36:08,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:36:08,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:36:08,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:36:08,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:36:08,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:36:08,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:36:08,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:36:08,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:36:08,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:36:08,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:36:08,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:36:08,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:36:08,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:36:08,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:36:08,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:36:08,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:36:08,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:36:08,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:36:08,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:36:08,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:36:08,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:36:08,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:36:08,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:36:08,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:36:08,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:36:08,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:36:08,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:36:08,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:36:08,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:36:08,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:36:08,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:36:08,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:36:08,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:36:08,924 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:36:08,966 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:36:08,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:36:08,967 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:36:08,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:36:08,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:36:08,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:36:08,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:36:08,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:36:08,970 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:36:08,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:36:08,971 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:36:08,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:36:08,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:36:08,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:36:08,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:36:08,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:36:08,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:36:08,972 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:36:08,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:36:08,973 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:36:08,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:36:08,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:36:08,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:36:08,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:36:08,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:36:08,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:36:08,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:36:08,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:36:08,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:36:08,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:36:08,976 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:36:08,976 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:36:08,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:36:08,977 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_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2022-11-16 11:36:09,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:36:09,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:36:09,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:36:09,330 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:36:09,331 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:36:09,332 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-11-16 11:36:09,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/data/1c32651f0/b8c944f000e04f40bcb48b27f7079d80/FLAGa7b266f2e [2022-11-16 11:36:10,344 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:36:10,344 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-11-16 11:36:10,385 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/data/1c32651f0/b8c944f000e04f40bcb48b27f7079d80/FLAGa7b266f2e [2022-11-16 11:36:10,777 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/data/1c32651f0/b8c944f000e04f40bcb48b27f7079d80 [2022-11-16 11:36:10,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:36:10,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:36:10,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:36:10,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:36:10,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:36:10,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:36:10" (1/1) ... [2022-11-16 11:36:10,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dfacc78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:10, skipping insertion in model container [2022-11-16 11:36:10,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:36:10" (1/1) ... [2022-11-16 11:36:10,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:36:10,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:36:11,363 WARN L229 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_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2022-11-16 11:36:14,582 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-16 11:36:14,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59cc25c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:14, skipping insertion in model container [2022-11-16 11:36:14,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:36:14,585 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 11:36:14,588 INFO L158 Benchmark]: Toolchain (without parser) took 3804.87ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 73.0MB in the beginning and 126.0MB in the end (delta: -52.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-11-16 11:36:14,590 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory was 100.6MB in the beginning and 100.4MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:36:14,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3801.75ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 72.8MB in the beginning and 126.0MB in the end (delta: -53.2MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-11-16 11:36:14,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory was 100.6MB in the beginning and 100.4MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3801.75ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 72.8MB in the beginning and 126.0MB in the end (delta: -53.2MB). Peak memory consumption was 18.8MB. 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_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.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_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8 --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 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-e04fb08 [2022-11-16 11:36:16,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:36:16,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:36:16,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:36:16,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:36:16,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:36:16,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:36:16,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:36:16,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:36:16,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:36:16,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:36:16,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:36:16,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:36:16,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:36:16,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:36:16,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:36:16,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:36:16,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:36:16,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:36:17,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:36:17,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:36:17,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:36:17,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:36:17,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:36:17,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:36:17,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:36:17,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:36:17,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:36:17,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:36:17,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:36:17,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:36:17,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:36:17,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:36:17,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:36:17,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:36:17,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:36:17,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:36:17,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:36:17,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:36:17,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:36:17,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:36:17,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-16 11:36:17,063 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:36:17,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:36:17,066 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:36:17,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:36:17,067 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:36:17,067 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:36:17,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:36:17,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:36:17,069 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:36:17,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:36:17,071 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:36:17,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:36:17,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:36:17,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:36:17,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:36:17,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:36:17,072 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:36:17,072 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:36:17,072 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:36:17,073 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:36:17,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:36:17,073 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:36:17,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:36:17,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:36:17,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:36:17,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:36:17,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:36:17,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:36:17,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:36:17,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:36:17,075 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:36:17,076 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:36:17,076 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:36:17,076 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:36:17,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:36:17,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:36:17,077 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_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2022-11-16 11:36:17,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:36:17,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:36:17,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:36:17,552 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:36:17,553 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:36:17,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-11-16 11:36:17,645 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/data/8f01ed8b8/c5effe9beded46dd9839a925e7f33ed8/FLAG79a615f50 [2022-11-16 11:36:18,700 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:36:18,702 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-11-16 11:36:18,757 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/data/8f01ed8b8/c5effe9beded46dd9839a925e7f33ed8/FLAG79a615f50 [2022-11-16 11:36:19,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/bin/uautomizer-tPACEb0tL8/data/8f01ed8b8/c5effe9beded46dd9839a925e7f33ed8 [2022-11-16 11:36:19,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:36:19,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:36:19,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:36:19,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:36:19,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:36:19,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:36:19" (1/1) ... [2022-11-16 11:36:19,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2b2b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:19, skipping insertion in model container [2022-11-16 11:36:19,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:36:19" (1/1) ... [2022-11-16 11:36:19,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:36:19,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:36:19,587 WARN L229 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_6cab04f7-2814-41b3-b8ac-87eb4d4f5d10/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2022-11-16 11:36:22,720 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-16 11:36:22,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2937486e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:22, skipping insertion in model container [2022-11-16 11:36:22,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:36:22,722 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 11:36:22,723 INFO L158 Benchmark]: Toolchain (without parser) took 3646.35ms. Allocated memory is still 79.7MB. Free memory was 54.3MB in the beginning and 43.9MB in the end (delta: 10.4MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2022-11-16 11:36:22,724 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 79.7MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:36:22,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3641.39ms. Allocated memory is still 79.7MB. Free memory was 54.3MB in the beginning and 43.9MB in the end (delta: 10.4MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2022-11-16 11:36:22,725 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 79.7MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3641.39ms. Allocated memory is still 79.7MB. Free memory was 54.3MB in the beginning and 43.9MB in the end (delta: 10.4MB). Peak memory consumption was 34.6MB. 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