./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3be8737422649a962e56b08bad0231d16298e713 ................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3be8737422649a962e56b08bad0231d16298e713 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:45:18,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:45:18,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:45:18,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:45:18,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:45:18,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:45:18,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:45:18,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:45:18,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:45:18,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:45:18,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:45:18,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:45:18,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:45:18,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:45:18,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:45:18,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:45:18,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:45:18,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:45:18,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:45:18,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:45:18,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:45:18,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:45:18,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:45:18,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:45:18,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:45:18,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:45:18,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:45:18,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:45:18,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:45:18,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:45:18,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:45:18,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:45:18,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:45:18,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:45:18,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:45:18,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:45:18,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:45:18,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:45:18,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:45:18,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:45:18,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:45:18,731 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 20:45:18,771 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:45:18,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:45:18,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:45:18,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:45:18,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:45:18,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:45:18,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:45:18,777 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:45:18,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:45:18,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:45:18,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:45:18,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:45:18,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:45:18,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:45:18,780 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:45:18,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:45:18,780 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:45:18,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:45:18,781 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:45:18,781 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:45:18,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:45:18,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:45:18,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:45:18,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:45:18,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:45:18,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:45:18,783 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:45:18,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:45:18,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:45:18,789 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-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2020-11-29 20:45:19,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:45:19,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:45:19,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:45:19,111 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:45:19,112 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:45:19,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-11-29 20:45:19,181 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/data/58abad595/aeb3bf0f159341b68773f51384b91431/FLAG67e4594ed [2020-11-29 20:45:20,033 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:45:20,034 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-11-29 20:45:20,091 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/data/58abad595/aeb3bf0f159341b68773f51384b91431/FLAG67e4594ed [2020-11-29 20:45:20,488 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/data/58abad595/aeb3bf0f159341b68773f51384b91431 [2020-11-29 20:45:20,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:45:20,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:45:20,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:45:20,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:45:20,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:45:20,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:45:20" (1/1) ... [2020-11-29 20:45:20,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b0bd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:45:20, skipping insertion in model container [2020-11-29 20:45:20,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:45:20" (1/1) ... [2020-11-29 20:45:20,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:45:20,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:45:25,525 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-29 20:45:25,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b4a4524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:45:25, skipping insertion in model container [2020-11-29 20:45:25,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:45:25,527 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 20:45:25,530 INFO L168 Benchmark]: Toolchain (without parser) took 5035.44 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 44.6 MB in the beginning and 80.0 MB in the end (delta: -35.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:45:25,531 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory was 60.9 MB in the beginning and 60.8 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:45:25,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5032.52 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 44.4 MB in the beginning and 80.0 MB in the end (delta: -35.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:45:25,535 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 88.1 MB. Free memory was 60.9 MB in the beginning and 60.8 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5032.52 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 44.4 MB in the beginning and 80.0 MB in the end (delta: -35.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:45:27,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:45:27,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:45:27,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:45:27,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:45:27,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:45:27,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:45:27,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:45:27,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:45:27,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:45:27,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:45:27,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:45:27,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:45:27,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:45:27,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:45:27,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:45:27,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:45:27,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:45:27,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:45:27,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:45:27,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:45:27,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:45:27,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:45:27,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:45:27,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:45:27,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:45:27,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:45:27,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:45:27,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:45:27,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:45:27,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:45:27,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:45:27,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:45:27,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:45:27,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:45:27,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:45:27,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:45:27,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:45:27,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:45:27,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:45:27,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:45:27,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-29 20:45:27,954 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:45:27,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:45:27,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:45:27,956 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:45:27,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:45:27,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:45:27,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:45:27,959 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:45:27,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:45:27,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:45:27,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:45:27,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:45:27,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:45:27,961 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 20:45:27,962 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 20:45:27,962 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 20:45:27,962 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:45:27,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:45:27,963 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:45:27,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:45:27,963 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:45:27,963 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:45:27,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:45:27,964 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:45:27,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:45:27,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:45:27,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:45:27,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:45:27,965 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-29 20:45:27,965 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 20:45:27,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:45:27,966 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-29 20:45:27,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 20:45:27,967 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-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2020-11-29 20:45:28,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:45:28,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:45:28,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:45:28,448 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:45:28,449 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:45:28,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-11-29 20:45:28,523 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/data/36102396b/4d2851f6c70e4887959ef39577cc4d24/FLAG57ef5be03 [2020-11-29 20:45:29,547 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:45:29,549 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-11-29 20:45:29,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/data/36102396b/4d2851f6c70e4887959ef39577cc4d24/FLAG57ef5be03 [2020-11-29 20:45:29,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5ded577b-7027-48c7-a023-858bfd4b46b6/bin/ukojak/data/36102396b/4d2851f6c70e4887959ef39577cc4d24 [2020-11-29 20:45:29,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:45:29,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:45:29,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:45:29,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:45:29,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:45:29,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:45:29" (1/1) ... [2020-11-29 20:45:29,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2c9da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:45:29, skipping insertion in model container [2020-11-29 20:45:29,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:45:29" (1/1) ... [2020-11-29 20:45:30,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:45:30,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:45:34,316 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-29 20:45:34,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@323f04bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:45:34, skipping insertion in model container [2020-11-29 20:45:34,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:45:34,318 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 20:45:34,322 INFO L168 Benchmark]: Toolchain (without parser) took 4333.91 ms. Allocated memory was 62.9 MB in the beginning and 98.6 MB in the end (delta: 35.7 MB). Free memory was 33.5 MB in the beginning and 68.6 MB in the end (delta: -35.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:45:34,323 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 62.9 MB. Free memory is still 46.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:45:34,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4330.74 ms. Allocated memory was 62.9 MB in the beginning and 98.6 MB in the end (delta: 35.7 MB). Free memory was 33.4 MB in the beginning and 69.1 MB in the end (delta: -35.7 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:45:34,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 62.9 MB. Free memory is still 46.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4330.74 ms. Allocated memory was 62.9 MB in the beginning and 98.6 MB in the end (delta: 35.7 MB). Free memory was 33.4 MB in the beginning and 69.1 MB in the end (delta: -35.7 MB). Peak memory consumption was 34.1 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...