./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.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_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb .................................................................................................................................... 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_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.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_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:59:07,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:59:07,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:59:07,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:59:07,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:59:07,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:59:07,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:59:07,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:59:07,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:59:07,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:59:07,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:59:07,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:59:07,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:59:07,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:59:07,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:59:07,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:59:07,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:59:07,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:59:07,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:59:07,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:59:07,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:59:07,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:59:07,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:59:07,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:59:07,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:59:07,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:59:07,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:59:07,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:59:07,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:59:07,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:59:07,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:59:07,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:59:07,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:59:07,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:59:07,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:59:07,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:59:07,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:59:07,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:59:07,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:59:07,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:59:07,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:59:07,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:59:07,220 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:59:07,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:59:07,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:59:07,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:59:07,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:59:07,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:59:07,228 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:59:07,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:59:07,229 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:59:07,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:59:07,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:59:07,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:59:07,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:59:07,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:59:07,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:59:07,231 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:59:07,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:59:07,232 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:59:07,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:59:07,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:59:07,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:59:07,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:59:07,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:59:07,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:59:07,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:59:07,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:59:07,234 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:59:07,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:59:07,235 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:59:07,235 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:59:07,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:59:07,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:59:07,236 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_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-10-28 09:59:07,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:59:07,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:59:07,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:59:07,559 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:59:07,560 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:59:07,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-28 09:59:07,623 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/data/2e9769152/14633487a6fa45909369caee274618a1/FLAG7994fd8d2 [2021-10-28 09:59:08,626 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:59:08,627 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-28 09:59:08,711 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/data/2e9769152/14633487a6fa45909369caee274618a1/FLAG7994fd8d2 [2021-10-28 09:59:09,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/data/2e9769152/14633487a6fa45909369caee274618a1 [2021-10-28 09:59:09,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:59:09,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:59:09,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:59:09,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:59:09,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:59:09,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:59:09" (1/1) ... [2021-10-28 09:59:09,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d33d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:09, skipping insertion in model container [2021-10-28 09:59:09,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:59:09" (1/1) ... [2021-10-28 09:59:09,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:59:09,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:59:09,661 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_8e7f5b41-4077-4646-9387-9f17bf0c580b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-10-28 09:59:13,755 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-28 09:59:13,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d58c0ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:13, skipping insertion in model container [2021-10-28 09:59:13,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:59:13,756 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-28 09:59:13,759 INFO L168 Benchmark]: Toolchain (without parser) took 4716.69 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 68.1 MB in the beginning and 67.6 MB in the end (delta: 537.5 kB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:59:13,759 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 111.1 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:59:13,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4698.23 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 67.8 MB in the beginning and 67.6 MB in the end (delta: 267.5 kB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:59:13,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 111.1 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4698.23 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 67.8 MB in the beginning and 67.6 MB in the end (delta: 267.5 kB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:59:16,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:59:16,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:59:16,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:59:16,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:59:16,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:59:16,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:59:16,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:59:16,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:59:16,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:59:16,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:59:16,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:59:16,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:59:16,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:59:16,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:59:16,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:59:16,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:59:16,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:59:16,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:59:16,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:59:16,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:59:16,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:59:16,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:59:16,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:59:16,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:59:16,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:59:16,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:59:16,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:59:16,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:59:16,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:59:16,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:59:16,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:59:16,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:59:16,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:59:16,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:59:16,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:59:16,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:59:16,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:59:16,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:59:16,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:59:16,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:59:16,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 09:59:16,213 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:59:16,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:59:16,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:59:16,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:59:16,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:59:16,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:59:16,218 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:59:16,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:59:16,219 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:59:16,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:59:16,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:59:16,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:59:16,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:59:16,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:59:16,221 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:59:16,221 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:59:16,222 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:59:16,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:59:16,222 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:59:16,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:59:16,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:59:16,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:59:16,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:59:16,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:59:16,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:59:16,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:59:16,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:59:16,225 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:59:16,225 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:59:16,225 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:59:16,225 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:59:16,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:59:16,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:59:16,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:59:16,226 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_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-10-28 09:59:16,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:59:16,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:59:16,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:59:16,726 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:59:16,727 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:59:16,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-28 09:59:16,796 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/data/d7e4518f6/cb4716e7c9604402a3f92c8fbb8285ec/FLAG431addd95 [2021-10-28 09:59:17,817 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:59:17,818 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-28 09:59:17,871 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/data/d7e4518f6/cb4716e7c9604402a3f92c8fbb8285ec/FLAG431addd95 [2021-10-28 09:59:18,199 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7f5b41-4077-4646-9387-9f17bf0c580b/bin/uautomizer-UnR33cPsHg/data/d7e4518f6/cb4716e7c9604402a3f92c8fbb8285ec [2021-10-28 09:59:18,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:59:18,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:59:18,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:59:18,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:59:18,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:59:18,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:59:18" (1/1) ... [2021-10-28 09:59:18,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6474aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:18, skipping insertion in model container [2021-10-28 09:59:18,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:59:18" (1/1) ... [2021-10-28 09:59:18,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:59:18,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:59:18,839 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_8e7f5b41-4077-4646-9387-9f17bf0c580b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-10-28 09:59:23,533 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-28 09:59:23,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@21792130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:23, skipping insertion in model container [2021-10-28 09:59:23,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:59:23,534 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-28 09:59:23,537 INFO L168 Benchmark]: Toolchain (without parser) took 5332.33 ms. Allocated memory was 71.3 MB in the beginning and 100.7 MB in the end (delta: 29.4 MB). Free memory was 41.0 MB in the beginning and 56.5 MB in the end (delta: -15.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:59:23,538 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 71.3 MB. Free memory is still 51.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:59:23,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5330.28 ms. Allocated memory was 71.3 MB in the beginning and 100.7 MB in the end (delta: 29.4 MB). Free memory was 40.8 MB in the beginning and 56.5 MB in the end (delta: -15.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:59:23,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 71.3 MB. Free memory is still 51.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5330.28 ms. Allocated memory was 71.3 MB in the beginning and 100.7 MB in the end (delta: 29.4 MB). Free memory was 40.8 MB in the beginning and 56.5 MB in the end (delta: -15.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...