./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_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_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 ........................................................................................................................................... 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_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 ....................................................................................................................................... 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 05:41:15,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:41:15,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:41:15,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:41:15,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:41:15,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:41:15,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:41:15,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:41:15,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:41:15,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:41:15,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:41:15,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:41:15,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:41:15,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:41:15,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:41:15,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:41:15,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:41:15,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:41:15,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:41:15,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:41:15,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:41:15,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:41:15,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:41:15,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:41:15,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:41:15,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:41:15,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:41:15,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:41:15,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:41:15,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:41:15,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:41:15,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:41:15,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:41:15,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:41:15,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:41:15,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:41:15,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:41:15,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:41:15,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:41:15,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:41:15,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:41:15,614 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:41:15,673 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:41:15,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:41:15,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:41:15,676 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:41:15,676 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:41:15,676 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:41:15,677 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:41:15,677 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:41:15,677 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:41:15,677 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:41:15,679 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:41:15,679 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:41:15,679 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:41:15,680 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:41:15,680 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:41:15,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:41:15,681 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:41:15,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:41:15,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:41:15,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:41:15,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:41:15,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:41:15,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:41:15,683 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:41:15,683 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:41:15,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:41:15,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:41:15,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:41:15,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:41:15,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:41:15,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:41:15,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:41:15,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:41:15,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:41:15,688 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:41:15,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:41:15,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:41:15,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:41:15,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:41:15,690 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-10-29 05:41:16,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:41:16,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:41:16,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:41:16,073 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:41:16,074 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:41:16,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-10-29 05:41:16,153 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/data/d41bf5f20/43a08c99ef0c44d28d92bc9735b1d706/FLAGf7d89f505 [2021-10-29 05:41:17,188 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:41:17,189 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-10-29 05:41:17,243 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/data/d41bf5f20/43a08c99ef0c44d28d92bc9735b1d706/FLAGf7d89f505 [2021-10-29 05:41:17,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/data/d41bf5f20/43a08c99ef0c44d28d92bc9735b1d706 [2021-10-29 05:41:17,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:41:17,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:41:17,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:41:17,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:41:17,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:41:17,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:41:17" (1/1) ... [2021-10-29 05:41:17,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b055b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:17, skipping insertion in model container [2021-10-29 05:41:17,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:41:17" (1/1) ... [2021-10-29 05:41:17,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:41:17,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:41:18,245 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_3816d126-da65-4c8f-932c-b26913b8be81/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-10-29 05:41:22,373 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-29 05:41:22,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41515caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:22, skipping insertion in model container [2021-10-29 05:41:22,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:41:22,375 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:41:22,378 INFO L168 Benchmark]: Toolchain (without parser) took 4812.06 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 64.6 MB in the beginning and 81.9 MB in the end (delta: -17.2 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:41:22,379 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 94.4 MB. Free memory is still 72.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:41:22,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4808.90 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 64.3 MB in the beginning and 81.9 MB in the end (delta: -17.6 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:41:22,383 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 94.4 MB. Free memory is still 72.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4808.90 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 64.3 MB in the beginning and 81.9 MB in the end (delta: -17.6 MB). Peak memory consumption was 29.7 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 05:41:25,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:41:25,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:41:25,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:41:25,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:41:25,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:41:25,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:41:25,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:41:25,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:41:25,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:41:25,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:41:25,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:41:25,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:41:25,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:41:25,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:41:25,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:41:25,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:41:25,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:41:25,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:41:25,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:41:25,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:41:25,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:41:25,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:41:25,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:41:25,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:41:25,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:41:25,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:41:25,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:41:25,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:41:25,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:41:25,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:41:25,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:41:25,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:41:25,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:41:25,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:41:25,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:41:25,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:41:25,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:41:25,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:41:25,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:41:25,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:41:25,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:41:25,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:41:25,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:41:25,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:41:25,468 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:41:25,469 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:41:25,469 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:41:25,469 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:41:25,470 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:41:25,470 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:41:25,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:41:25,473 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:41:25,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:41:25,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:41:25,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:41:25,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:41:25,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:41:25,475 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:41:25,475 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:41:25,476 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:41:25,476 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:41:25,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:41:25,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:41:25,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:41:25,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:41:25,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:41:25,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:41:25,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:41:25,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:41:25,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:41:25,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:41:25,479 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:41:25,480 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:41:25,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:41:25,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:41:25,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:41:25,481 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_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-10-29 05:41:25,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:41:26,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:41:26,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:41:26,022 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:41:26,023 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:41:26,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-10-29 05:41:26,134 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/data/e9fa9a7d4/cadc5f4986e34592aba66e147c2f7950/FLAGac6016ed0 [2021-10-29 05:41:27,238 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:41:27,242 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-10-29 05:41:27,308 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/data/e9fa9a7d4/cadc5f4986e34592aba66e147c2f7950/FLAGac6016ed0 [2021-10-29 05:41:27,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3816d126-da65-4c8f-932c-b26913b8be81/bin/utaipan-SDwSMHVbGG/data/e9fa9a7d4/cadc5f4986e34592aba66e147c2f7950 [2021-10-29 05:41:27,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:41:27,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:41:27,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:41:27,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:41:27,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:41:27,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:41:27" (1/1) ... [2021-10-29 05:41:27,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ac7550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:27, skipping insertion in model container [2021-10-29 05:41:27,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:41:27" (1/1) ... [2021-10-29 05:41:27,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:41:27,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:41:28,420 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_3816d126-da65-4c8f-932c-b26913b8be81/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-10-29 05:41:32,213 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-29 05:41:32,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3bc48c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:32, skipping insertion in model container [2021-10-29 05:41:32,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:41:32,215 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:41:32,220 INFO L168 Benchmark]: Toolchain (without parser) took 4569.42 ms. Allocated memory was 62.9 MB in the beginning and 94.4 MB in the end (delta: 31.5 MB). Free memory was 32.9 MB in the beginning and 62.6 MB in the end (delta: -29.7 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:41:32,223 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 62.9 MB. Free memory is still 45.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:41:32,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4564.27 ms. Allocated memory was 62.9 MB in the beginning and 94.4 MB in the end (delta: 31.5 MB). Free memory was 32.8 MB in the beginning and 62.6 MB in the end (delta: -29.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:41:32,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 62.9 MB. Free memory is still 45.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4564.27 ms. Allocated memory was 62.9 MB in the beginning and 94.4 MB in the end (delta: 31.5 MB). Free memory was 32.8 MB in the beginning and 62.6 MB in the end (delta: -29.9 MB). Peak memory consumption was 29.0 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...