./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d --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 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:45:07,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:45:07,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:45:07,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:45:07,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:45:07,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:45:07,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:45:07,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:45:07,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:45:07,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:45:07,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:45:07,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:45:07,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:45:07,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:45:07,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:45:07,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:45:07,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:45:07,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:45:07,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:45:07,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:45:07,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:45:07,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:45:07,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:45:07,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:45:07,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:45:07,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:45:07,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:45:07,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:45:07,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:45:07,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:45:07,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:45:07,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:45:07,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:45:07,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:45:07,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:45:07,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:45:07,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:45:07,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:45:07,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:45:07,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:45:07,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:45:07,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-20 07:45:07,702 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:45:07,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:45:07,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:45:07,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:45:07,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:45:07,711 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:45:07,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:45:07,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:45:07,712 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:45:07,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:45:07,713 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:45:07,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:45:07,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:45:07,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:45:07,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:45:07,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:45:07,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:45:07,714 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:45:07,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:45:07,715 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:45:07,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:45:07,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:45:07,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:45:07,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-20 07:45:07,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:45:07,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:45:07,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:45:07,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:45:07,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:45:07,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:45:07,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:45:07,717 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:45:07,718 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:45:07,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:45:07,718 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:45:07,718 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:45:07,719 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_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-11-20 07:45:08,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:45:08,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:45:08,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:45:08,038 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:45:08,039 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:45:08,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-11-20 07:45:08,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/data/f3c847358/4b5391e8e4e743b3a2b49c81392cf95d/FLAG6d933b79e [2021-11-20 07:45:09,022 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:45:09,023 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-11-20 07:45:09,073 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/data/f3c847358/4b5391e8e4e743b3a2b49c81392cf95d/FLAG6d933b79e [2021-11-20 07:45:09,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/data/f3c847358/4b5391e8e4e743b3a2b49c81392cf95d [2021-11-20 07:45:09,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:45:09,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:45:09,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:45:09,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:45:09,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:45:09,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:09" (1/1) ... [2021-11-20 07:45:09,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589d7e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:09, skipping insertion in model container [2021-11-20 07:45:09,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:09" (1/1) ... [2021-11-20 07:45:09,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:45:09,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:45:10,087 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_feb7e378-961f-480a-8178-5ce76efa4a34/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-11-20 07:45:14,169 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-20 07:45:14,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@272a0424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:14, skipping insertion in model container [2021-11-20 07:45:14,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:45:14,171 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 07:45:14,173 INFO L158 Benchmark]: Toolchain (without parser) took 4706.99ms. Allocated memory is still 98.6MB. Free memory was 70.3MB in the beginning and 58.0MB in the end (delta: 12.3MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-11-20 07:45:14,174 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory was 62.0MB in the beginning and 61.9MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:45:14,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4700.91ms. Allocated memory is still 98.6MB. Free memory was 69.9MB in the beginning and 58.0MB in the end (delta: 11.9MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2021-11-20 07:45:14,179 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory was 62.0MB in the beginning and 61.9MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4700.91ms. Allocated memory is still 98.6MB. Free memory was 69.9MB in the beginning and 58.0MB in the end (delta: 11.9MB). Peak memory consumption was 29.3MB. 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_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d --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 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:45:16,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:45:16,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:45:16,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:45:16,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:45:16,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:45:16,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:45:16,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:45:16,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:45:16,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:45:16,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:45:16,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:45:16,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:45:16,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:45:16,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:45:16,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:45:16,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:45:16,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:45:16,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:45:16,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:45:16,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:45:16,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:45:16,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:45:16,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:45:16,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:45:16,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:45:16,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:45:16,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:45:16,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:45:16,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:45:16,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:45:16,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:45:16,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:45:16,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:45:16,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:45:16,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:45:16,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:45:16,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:45:16,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:45:16,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:45:16,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:45:16,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-20 07:45:16,788 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:45:16,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:45:16,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:45:16,789 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:45:16,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:45:16,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:45:16,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:45:16,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:45:16,793 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:45:16,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:45:16,794 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:45:16,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:45:16,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:45:16,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:45:16,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:45:16,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:45:16,795 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 07:45:16,796 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 07:45:16,796 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:45:16,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:45:16,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:45:16,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:45:16,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:45:16,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:45:16,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:45:16,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:45:16,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:45:16,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:45:16,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:45:16,799 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 07:45:16,799 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 07:45:16,799 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:45:16,799 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:45:16,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:45:16,800 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:45:16,800 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:45:16,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 07:45:16,801 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_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-11-20 07:45:17,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:45:17,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:45:17,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:45:17,233 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:45:17,234 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:45:17,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-11-20 07:45:17,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/data/7013877f8/630c54a131fa49fe9720df78a8a797be/FLAGd8207555a [2021-11-20 07:45:18,194 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:45:18,195 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-11-20 07:45:18,254 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/data/7013877f8/630c54a131fa49fe9720df78a8a797be/FLAGd8207555a [2021-11-20 07:45:18,672 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb7e378-961f-480a-8178-5ce76efa4a34/bin/ugemcutter-b9s2R6iq4d/data/7013877f8/630c54a131fa49fe9720df78a8a797be [2021-11-20 07:45:18,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:45:18,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:45:18,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:45:18,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:45:18,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:45:18,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:18" (1/1) ... [2021-11-20 07:45:18,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3026cf14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:18, skipping insertion in model container [2021-11-20 07:45:18,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:18" (1/1) ... [2021-11-20 07:45:18,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:45:18,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:45:19,378 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_feb7e378-961f-480a-8178-5ce76efa4a34/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-11-20 07:45:22,853 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-20 07:45:22,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@280cb67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:22, skipping insertion in model container [2021-11-20 07:45:22,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:45:22,854 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 07:45:22,855 INFO L158 Benchmark]: Toolchain (without parser) took 4177.33ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 30.2MB in the beginning and 29.2MB in the end (delta: 1.0MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2021-11-20 07:45:22,856 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory was 35.1MB in the beginning and 35.1MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:45:22,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4173.53ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 30.0MB in the beginning and 29.2MB in the end (delta: 774.4kB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2021-11-20 07:45:22,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory was 35.1MB in the beginning and 35.1MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4173.53ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 30.0MB in the beginning and 29.2MB in the end (delta: 774.4kB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN