./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k --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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- 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-8393723 [2022-11-18 01:43:46,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:43:46,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:43:46,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:43:46,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:43:46,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:43:46,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:43:46,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:43:46,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:43:46,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:43:46,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:43:46,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:43:46,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:43:46,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:43:46,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:43:46,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:43:46,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:43:46,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:43:46,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:43:46,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:43:46,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:43:46,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:43:46,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:43:46,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:43:46,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:43:46,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:43:46,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:43:46,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:43:46,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:43:46,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:43:46,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:43:46,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:43:46,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:43:46,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:43:46,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:43:46,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:43:46,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:43:46,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:43:46,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:43:46,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:43:46,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:43:46,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-18 01:43:46,773 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:43:46,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:43:46,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:43:46,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:43:46,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:43:46,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:43:46,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:43:46,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:43:46,778 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:43:46,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:43:46,779 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:43:46,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 01:43:46,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:43:46,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:43:46,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 01:43:46,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:43:46,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 01:43:46,781 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:43:46,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 01:43:46,781 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:43:46,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 01:43:46,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:43:46,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:43:46,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-18 01:43:46,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:43:46,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:43:46,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:43:46,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:43:46,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 01:43:46,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 01:43:46,784 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-18 01:43:46,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 01:43:46,784 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:43:46,785 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:43:46,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 01:43:46,785 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:43:46,785 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:43:46,786 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_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2022-11-18 01:43:47,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:43:47,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:43:47,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:43:47,184 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:43:47,187 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:43:47,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-11-18 01:43:47,269 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/data/06a9e3dbe/6d26272d57934d83a89b9ac5deb38d1d/FLAG766468ab8 [2022-11-18 01:43:48,226 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:43:48,227 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-11-18 01:43:48,276 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/data/06a9e3dbe/6d26272d57934d83a89b9ac5deb38d1d/FLAG766468ab8 [2022-11-18 01:43:48,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/data/06a9e3dbe/6d26272d57934d83a89b9ac5deb38d1d [2022-11-18 01:43:48,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:43:48,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:43:48,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:43:48,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:43:48,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:43:48,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:43:48" (1/1) ... [2022-11-18 01:43:48,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bceba04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:48, skipping insertion in model container [2022-11-18 01:43:48,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:43:48" (1/1) ... [2022-11-18 01:43:48,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:43:48,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:43:49,335 WARN L234 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_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2022-11-18 01:43:54,804 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-18 01:43:54,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43536df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:54, skipping insertion in model container [2022-11-18 01:43:54,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:43:54,806 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-18 01:43:54,809 INFO L158 Benchmark]: Toolchain (without parser) took 6105.29ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 56.0MB in the beginning and 78.0MB in the end (delta: -21.9MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2022-11-18 01:43:54,811 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory was 63.2MB in the beginning and 63.2MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 01:43:54,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6100.51ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 55.9MB in the beginning and 78.0MB in the end (delta: -22.1MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2022-11-18 01:43:54,817 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory was 63.2MB in the beginning and 63.2MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6100.51ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 55.9MB in the beginning and 78.0MB in the end (delta: -22.1MB). Peak memory consumption was 37.2MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k --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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- 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-8393723 [2022-11-18 01:43:57,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:43:57,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:43:57,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:43:57,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:43:57,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:43:57,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:43:57,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:43:57,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:43:57,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:43:57,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:43:57,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:43:57,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:43:57,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:43:57,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:43:57,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:43:57,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:43:57,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:43:57,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:43:57,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:43:57,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:43:57,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:43:57,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:43:57,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:43:57,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:43:57,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:43:57,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:43:57,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:43:57,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:43:57,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:43:57,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:43:57,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:43:57,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:43:57,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:43:57,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:43:57,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:43:57,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:43:57,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:43:57,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:43:57,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:43:57,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:43:57,263 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2022-11-18 01:43:57,303 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:43:57,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:43:57,310 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:43:57,311 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:43:57,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:43:57,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:43:57,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:43:57,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:43:57,316 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:43:57,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:43:57,317 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:43:57,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:43:57,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:43:57,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 01:43:57,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:43:57,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 01:43:57,319 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 01:43:57,319 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 01:43:57,320 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:43:57,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 01:43:57,320 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:43:57,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 01:43:57,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:43:57,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:43:57,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:43:57,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:43:57,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:43:57,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:43:57,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 01:43:57,322 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 01:43:57,323 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-18 01:43:57,323 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 01:43:57,323 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:43:57,324 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:43:57,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 01:43:57,324 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:43:57,324 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:43:57,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 01:43:57,325 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_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2022-11-18 01:43:57,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:43:57,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:43:57,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:43:57,823 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:43:57,824 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:43:57,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-11-18 01:43:57,912 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/data/57224fc5d/7d0e63a6f5f9424d9250001532caca3a/FLAG7afc3d991 [2022-11-18 01:43:59,026 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:43:59,028 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-11-18 01:43:59,083 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/data/57224fc5d/7d0e63a6f5f9424d9250001532caca3a/FLAG7afc3d991 [2022-11-18 01:43:59,414 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/bin/ugemcutter-AnMVkTqH3k/data/57224fc5d/7d0e63a6f5f9424d9250001532caca3a [2022-11-18 01:43:59,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:43:59,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:43:59,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:43:59,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:43:59,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:43:59,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:43:59" (1/1) ... [2022-11-18 01:43:59,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e90f4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:43:59, skipping insertion in model container [2022-11-18 01:43:59,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:43:59" (1/1) ... [2022-11-18 01:43:59,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:43:59,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:44:00,092 WARN L234 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_a745fa0f-5e12-4d3a-ae14-7c776d2bdbda/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2022-11-18 01:44:03,534 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-18 01:44:03,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6fcd4429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:03, skipping insertion in model container [2022-11-18 01:44:03,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:44:03,535 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-18 01:44:03,537 INFO L158 Benchmark]: Toolchain (without parser) took 4116.51ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 50.7MB in the beginning and 66.2MB in the end (delta: -15.5MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-11-18 01:44:03,538 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 77.6MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 01:44:03,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4111.65ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 50.4MB in the beginning and 66.2MB in the end (delta: -15.8MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-11-18 01:44:03,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 77.6MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4111.65ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 50.4MB in the beginning and 66.2MB in the end (delta: -15.8MB). Peak memory consumption was 36.0MB. 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