./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ --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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 04:32:38,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 04:32:38,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 04:32:39,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 04:32:39,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 04:32:39,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 04:32:39,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 04:32:39,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 04:32:39,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 04:32:39,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 04:32:39,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 04:32:39,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 04:32:39,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 04:32:39,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 04:32:39,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 04:32:39,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 04:32:39,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 04:32:39,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 04:32:39,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 04:32:39,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 04:32:39,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 04:32:39,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 04:32:39,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 04:32:39,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 04:32:39,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 04:32:39,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 04:32:39,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 04:32:39,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 04:32:39,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 04:32:39,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 04:32:39,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 04:32:39,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 04:32:39,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 04:32:39,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 04:32:39,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 04:32:39,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 04:32:39,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 04:32:39,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 04:32:39,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 04:32:39,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 04:32:39,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 04:32:39,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-25 04:32:39,159 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 04:32:39,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 04:32:39,160 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 04:32:39,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 04:32:39,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 04:32:39,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 04:32:39,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 04:32:39,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 04:32:39,164 INFO L138 SettingsManager]: * Use SBE=true [2021-11-25 04:32:39,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 04:32:39,164 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 04:32:39,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 04:32:39,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 04:32:39,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 04:32:39,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 04:32:39,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 04:32:39,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 04:32:39,167 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 04:32:39,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 04:32:39,167 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 04:32:39,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 04:32:39,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 04:32:39,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 04:32:39,168 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-25 04:32:39,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 04:32:39,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 04:32:39,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 04:32:39,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 04:32:39,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 04:32:39,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-25 04:32:39,170 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-25 04:32:39,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 04:32:39,171 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-25 04:32:39,171 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-25 04:32:39,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 04:32:39,172 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-25 04:32:39,172 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-25 04:32:39,172 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_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-11-25 04:32:39,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 04:32:39,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 04:32:39,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 04:32:39,621 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 04:32:39,622 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 04:32:39,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-11-25 04:32:39,708 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/data/2c01de485/98b797bde44147998315c52b8728e8d1/FLAG86c9b9f8c [2021-11-25 04:32:40,820 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 04:32:40,821 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-11-25 04:32:40,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/data/2c01de485/98b797bde44147998315c52b8728e8d1/FLAG86c9b9f8c [2021-11-25 04:32:41,150 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/data/2c01de485/98b797bde44147998315c52b8728e8d1 [2021-11-25 04:32:41,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 04:32:41,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 04:32:41,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 04:32:41,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 04:32:41,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 04:32:41,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:41" (1/1) ... [2021-11-25 04:32:41,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21adac4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:41, skipping insertion in model container [2021-11-25 04:32:41,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:41" (1/1) ... [2021-11-25 04:32:41,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 04:32:41,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 04:32:41,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-11-25 04:32:45,906 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-25 04:32:45,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3be499e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:45, skipping insertion in model container [2021-11-25 04:32:45,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 04:32:45,908 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 04:32:45,910 INFO L158 Benchmark]: Toolchain (without parser) took 4753.64ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 72.5MB in the beginning and 104.0MB in the end (delta: -31.5MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2021-11-25 04:32:45,911 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 04:32:45,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4748.15ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 72.5MB in the beginning and 104.0MB in the end (delta: -31.5MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2021-11-25 04:32:45,914 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4748.15ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 72.5MB in the beginning and 104.0MB in the end (delta: -31.5MB). Peak memory consumption was 42.5MB. 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ --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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 04:32:48,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 04:32:48,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 04:32:48,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 04:32:48,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 04:32:48,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 04:32:48,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 04:32:48,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 04:32:48,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 04:32:48,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 04:32:48,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 04:32:48,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 04:32:48,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 04:32:48,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 04:32:48,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 04:32:48,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 04:32:48,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 04:32:48,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 04:32:48,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 04:32:48,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 04:32:48,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 04:32:48,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 04:32:48,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 04:32:48,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 04:32:48,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 04:32:48,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 04:32:48,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 04:32:48,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 04:32:48,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 04:32:48,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 04:32:48,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 04:32:48,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 04:32:48,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 04:32:48,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 04:32:48,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 04:32:48,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 04:32:48,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 04:32:48,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 04:32:48,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 04:32:48,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 04:32:48,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 04:32:48,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-25 04:32:48,916 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 04:32:48,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 04:32:48,920 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 04:32:48,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 04:32:48,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 04:32:48,922 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 04:32:48,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 04:32:48,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 04:32:48,924 INFO L138 SettingsManager]: * Use SBE=true [2021-11-25 04:32:48,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 04:32:48,926 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 04:32:48,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 04:32:48,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 04:32:48,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 04:32:48,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 04:32:48,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 04:32:48,928 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 04:32:48,929 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 04:32:48,929 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 04:32:48,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 04:32:48,929 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 04:32:48,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 04:32:48,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 04:32:48,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 04:32:48,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 04:32:48,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 04:32:48,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 04:32:48,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 04:32:48,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 04:32:48,933 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-25 04:32:48,933 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-25 04:32:48,933 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 04:32:48,934 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-25 04:32:48,934 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-25 04:32:48,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 04:32:48,935 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-25 04:32:48,935 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-25 04:32:48,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 04:32:48,936 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_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-11-25 04:32:49,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 04:32:49,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 04:32:49,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 04:32:49,423 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 04:32:49,424 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 04:32:49,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-11-25 04:32:49,519 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/data/fb96c0e2a/a107b82693184e83bf4961720a17d9be/FLAG966a12f48 [2021-11-25 04:32:50,659 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 04:32:50,659 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-11-25 04:32:50,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/data/fb96c0e2a/a107b82693184e83bf4961720a17d9be/FLAG966a12f48 [2021-11-25 04:32:51,028 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/bin/ugemcutter-4L4vKOHkXZ/data/fb96c0e2a/a107b82693184e83bf4961720a17d9be [2021-11-25 04:32:51,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 04:32:51,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 04:32:51,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 04:32:51,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 04:32:51,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 04:32:51,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:51" (1/1) ... [2021-11-25 04:32:51,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebdcd38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:51, skipping insertion in model container [2021-11-25 04:32:51,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:51" (1/1) ... [2021-11-25 04:32:51,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 04:32:51,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 04:32:51,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea40fa6f-8a93-462a-982b-9bd3a493209e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-11-25 04:32:56,047 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-25 04:32:56,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5124c13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:56, skipping insertion in model container [2021-11-25 04:32:56,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 04:32:56,048 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 04:32:56,050 INFO L158 Benchmark]: Toolchain (without parser) took 5017.09ms. Allocated memory is still 71.3MB. Free memory was 38.2MB in the beginning and 30.5MB in the end (delta: 7.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2021-11-25 04:32:56,051 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 50.3MB. Free memory was 30.4MB in the beginning and 30.4MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 04:32:56,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4998.05ms. Allocated memory is still 71.3MB. Free memory was 38.1MB in the beginning and 30.5MB in the end (delta: 7.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2021-11-25 04:32:56,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 50.3MB. Free memory was 30.4MB in the beginning and 30.4MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4998.05ms. Allocated memory is still 71.3MB. Free memory was 38.1MB in the beginning and 30.5MB in the end (delta: 7.6MB). Peak memory consumption was 12.1MB. 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