./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/config/GemCutterReach.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_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/config/GemCutterReach.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_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:49:34,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:49:35,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:49:35,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:49:35,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:49:35,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:49:35,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:49:35,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:49:35,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:49:35,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:49:35,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:49:35,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:49:35,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:49:35,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:49:35,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:49:35,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:49:35,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:49:35,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:49:35,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:49:35,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:49:35,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:49:35,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:49:35,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:49:35,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:49:35,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:49:35,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:49:35,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:49:35,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:49:35,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:49:35,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:49:35,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:49:35,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:49:35,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:49:35,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:49:35,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:49:35,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:49:35,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:49:35,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:49:35,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:49:35,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:49:35,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:49:35,136 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-29 02:49:35,182 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:49:35,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:49:35,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 02:49:35,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 02:49:35,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:49:35,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:49:35,191 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 02:49:35,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:49:35,192 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:49:35,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:49:35,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:49:35,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:49:35,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:49:35,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:49:35,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:49:35,194 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:49:35,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:49:35,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:49:35,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:49:35,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:49:35,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 02:49:35,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-29 02:49:35,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 02:49:35,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:35,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:49:35,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:49:35,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:49:35,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 02:49:35,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:49:35,199 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-29 02:49:35,199 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-29 02:49:35,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:49:35,199 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-29 02:49:35,200 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-29 02:49:35,200 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_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-10-29 02:49:35,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:49:35,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:49:35,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:49:35,577 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:49:35,578 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:49:35,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-29 02:49:35,660 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/data/01891f114/f94ac728a77943318324f207afa787fa/FLAGf05f07923 [2021-10-29 02:49:36,640 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:49:36,642 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-29 02:49:36,705 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/data/01891f114/f94ac728a77943318324f207afa787fa/FLAGf05f07923 [2021-10-29 02:49:37,090 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/data/01891f114/f94ac728a77943318324f207afa787fa [2021-10-29 02:49:37,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:49:37,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:49:37,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:37,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:49:37,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:49:37,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1145c5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37, skipping insertion in model container [2021-10-29 02:49:37,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:49:37,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:49:37,766 WARN L228 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_91ee27b4-0c30-42c8-b83b-c472c2122405/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-10-29 02:49:42,292 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-29 02:49:42,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@137fadc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:42, skipping insertion in model container [2021-10-29 02:49:42,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:42,294 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 02:49:42,296 INFO L168 Benchmark]: Toolchain (without parser) took 5200.98 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 53.2 MB in the beginning and 80.4 MB in the end (delta: -27.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:42,297 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 96.5 MB. Free memory is still 51.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:49:42,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5186.47 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 53.1 MB in the beginning and 80.4 MB in the end (delta: -27.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:42,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 96.5 MB. Free memory is still 51.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5186.47 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 53.1 MB in the beginning and 80.4 MB in the end (delta: -27.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:49:44,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:49:44,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:49:44,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:49:44,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:49:44,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:49:44,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:49:44,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:49:44,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:49:44,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:49:44,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:49:44,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:49:44,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:49:44,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:49:44,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:49:44,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:49:44,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:49:44,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:49:44,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:49:44,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:49:44,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:49:44,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:49:44,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:49:44,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:49:44,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:49:44,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:49:44,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:49:44,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:49:44,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:49:44,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:49:44,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:49:44,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:49:44,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:49:44,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:49:44,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:49:44,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:49:44,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:49:44,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:49:44,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:49:44,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:49:44,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:49:44,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-10-29 02:49:44,917 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:49:44,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:49:44,918 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 02:49:44,918 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 02:49:44,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:49:44,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:49:44,922 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 02:49:44,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:49:44,922 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:49:44,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:49:44,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:49:44,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:49:44,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:49:44,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:49:44,925 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 02:49:44,926 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 02:49:44,926 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:49:44,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:49:44,927 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:49:44,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:49:44,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:49:44,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 02:49:44,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 02:49:44,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:44,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:49:44,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:49:44,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:49:44,930 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-29 02:49:44,930 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 02:49:44,930 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-29 02:49:44,931 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-29 02:49:44,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:49:44,932 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-29 02:49:44,932 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-29 02:49:44,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 02:49:44,932 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_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-10-29 02:49:45,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:49:45,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:49:45,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:49:45,426 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:49:45,426 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:49:45,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-29 02:49:45,498 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/data/c6be68f3b/ebc7338f69544548a66dc86159306466/FLAGdcdb16c25 [2021-10-29 02:49:46,463 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:49:46,465 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-29 02:49:46,529 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/data/c6be68f3b/ebc7338f69544548a66dc86159306466/FLAGdcdb16c25 [2021-10-29 02:49:47,002 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ee27b4-0c30-42c8-b83b-c472c2122405/bin/ugemcutter-riF8PgGdml/data/c6be68f3b/ebc7338f69544548a66dc86159306466 [2021-10-29 02:49:47,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:49:47,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:49:47,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:47,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:49:47,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:49:47,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:47" (1/1) ... [2021-10-29 02:49:47,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611db56d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:47, skipping insertion in model container [2021-10-29 02:49:47,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:47" (1/1) ... [2021-10-29 02:49:47,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:49:47,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:49:47,759 WARN L228 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_91ee27b4-0c30-42c8-b83b-c472c2122405/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-10-29 02:49:51,494 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-29 02:49:51,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b5d7383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:51, skipping insertion in model container [2021-10-29 02:49:51,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:51,496 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 02:49:51,498 INFO L168 Benchmark]: Toolchain (without parser) took 4490.22 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 33.2 MB in the beginning and 31.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:51,499 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 54.5 MB. Free memory is still 35.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:49:51,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4485.09 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 33.0 MB in the beginning and 31.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:51,501 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 54.5 MB. Free memory is still 35.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4485.09 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 33.0 MB in the beginning and 31.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. * 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...