./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 04:32:07,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 04:32:07,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 04:32:07,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 04:32:07,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 04:32:07,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 04:32:07,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 04:32:07,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 04:32:07,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 04:32:07,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 04:32:07,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 04:32:07,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 04:32:07,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 04:32:07,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 04:32:07,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 04:32:07,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 04:32:07,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 04:32:07,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 04:32:07,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 04:32:07,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 04:32:07,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 04:32:07,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 04:32:07,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 04:32:07,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 04:32:07,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 04:32:07,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 04:32:07,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 04:32:07,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 04:32:07,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 04:32:07,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 04:32:07,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 04:32:07,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 04:32:07,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 04:32:07,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 04:32:07,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 04:32:07,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 04:32:07,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 04:32:07,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 04:32:07,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 04:32:07,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 04:32:07,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 04:32:07,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-25 04:32:07,732 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 04:32:07,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 04:32:07,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 04:32:07,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 04:32:07,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 04:32:07,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 04:32:07,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 04:32:07,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 04:32:07,736 INFO L138 SettingsManager]: * Use SBE=true [2021-11-25 04:32:07,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 04:32:07,736 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 04:32:07,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 04:32:07,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 04:32:07,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 04:32:07,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 04:32:07,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 04:32:07,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 04:32:07,739 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 04:32:07,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 04:32:07,739 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 04:32:07,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 04:32:07,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 04:32:07,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 04:32:07,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-25 04:32:07,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 04:32:07,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 04:32:07,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 04:32:07,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 04:32:07,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 04:32:07,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-25 04:32:07,742 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-25 04:32:07,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 04:32:07,743 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-25 04:32:07,743 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-25 04:32:07,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 04:32:07,744 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-25 04:32:07,744 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-25 04:32:07,744 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_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-11-25 04:32:08,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 04:32:08,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 04:32:08,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 04:32:08,063 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 04:32:08,064 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 04:32:08,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-25 04:32:08,146 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/data/fa46ea778/16eedecdaa6c457c84baaa2569cba750/FLAG8375d800e [2021-11-25 04:32:09,141 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 04:32:09,143 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-25 04:32:09,211 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/data/fa46ea778/16eedecdaa6c457c84baaa2569cba750/FLAG8375d800e [2021-11-25 04:32:09,563 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/data/fa46ea778/16eedecdaa6c457c84baaa2569cba750 [2021-11-25 04:32:09,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 04:32:09,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 04:32:09,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 04:32:09,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 04:32:09,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 04:32:09,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:09" (1/1) ... [2021-11-25 04:32:09,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78fa8f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:09, skipping insertion in model container [2021-11-25 04:32:09,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:09" (1/1) ... [2021-11-25 04:32:09,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 04:32:09,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 04:32:10,242 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_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-11-25 04:32:15,567 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-25 04:32:15,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7082b7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:15, skipping insertion in model container [2021-11-25 04:32:15,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 04:32:15,569 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 04:32:15,571 INFO L158 Benchmark]: Toolchain (without parser) took 5997.67ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 54.9MB in the beginning and 68.6MB in the end (delta: -13.7MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2021-11-25 04:32:15,572 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 98.6MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 04:32:15,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5982.55ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 54.7MB in the beginning and 68.6MB in the end (delta: -13.9MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2021-11-25 04:32:15,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 98.6MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5982.55ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 54.7MB in the beginning and 68.6MB in the end (delta: -13.9MB). Peak memory consumption was 20.9MB. 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_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 04:32:18,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 04:32:18,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 04:32:18,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 04:32:18,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 04:32:18,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 04:32:18,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 04:32:18,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 04:32:18,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 04:32:18,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 04:32:18,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 04:32:18,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 04:32:18,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 04:32:18,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 04:32:18,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 04:32:18,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 04:32:18,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 04:32:18,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 04:32:18,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 04:32:18,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 04:32:18,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 04:32:18,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 04:32:18,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 04:32:18,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 04:32:18,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 04:32:18,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 04:32:18,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 04:32:18,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 04:32:18,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 04:32:18,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 04:32:18,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 04:32:18,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 04:32:18,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 04:32:18,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 04:32:18,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 04:32:18,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 04:32:18,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 04:32:18,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 04:32:18,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 04:32:18,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 04:32:18,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 04:32:18,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-25 04:32:18,529 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 04:32:18,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 04:32:18,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 04:32:18,529 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 04:32:18,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 04:32:18,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 04:32:18,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 04:32:18,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 04:32:18,532 INFO L138 SettingsManager]: * Use SBE=true [2021-11-25 04:32:18,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 04:32:18,532 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 04:32:18,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 04:32:18,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 04:32:18,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 04:32:18,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 04:32:18,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 04:32:18,534 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 04:32:18,534 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 04:32:18,534 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 04:32:18,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 04:32:18,534 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 04:32:18,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 04:32:18,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 04:32:18,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 04:32:18,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 04:32:18,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 04:32:18,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 04:32:18,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 04:32:18,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 04:32:18,536 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-25 04:32:18,536 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-25 04:32:18,536 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 04:32:18,536 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-25 04:32:18,536 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-25 04:32:18,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 04:32:18,537 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-25 04:32:18,537 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-25 04:32:18,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 04:32:18,537 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_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-11-25 04:32:19,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 04:32:19,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 04:32:19,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 04:32:19,066 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 04:32:19,067 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 04:32:19,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-25 04:32:19,154 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/data/eac707040/2c5238a802454637bf2d0ee1d0f38139/FLAG431665b18 [2021-11-25 04:32:20,335 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 04:32:20,337 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-25 04:32:20,413 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/data/eac707040/2c5238a802454637bf2d0ee1d0f38139/FLAG431665b18 [2021-11-25 04:32:20,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/bin/ugemcutter-4L4vKOHkXZ/data/eac707040/2c5238a802454637bf2d0ee1d0f38139 [2021-11-25 04:32:20,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 04:32:20,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 04:32:20,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 04:32:20,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 04:32:20,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 04:32:20,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:20" (1/1) ... [2021-11-25 04:32:20,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d6ace6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:20, skipping insertion in model container [2021-11-25 04:32:20,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:20" (1/1) ... [2021-11-25 04:32:20,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 04:32:20,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 04:32:21,319 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_b452cb4d-ade2-49eb-8606-ecb4b4db4f11/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-11-25 04:32:25,565 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-25 04:32:25,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43ddfdb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:25, skipping insertion in model container [2021-11-25 04:32:25,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 04:32:25,567 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 04:32:25,570 INFO L158 Benchmark]: Toolchain (without parser) took 4895.74ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 27.8MB in the beginning and 40.6MB in the end (delta: -12.8MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-25 04:32:25,570 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 60.8MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 04:32:25,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4889.93ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 27.5MB in the beginning and 40.6MB in the end (delta: -13.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-25 04:32:25,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 60.8MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4889.93ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 27.5MB in the beginning and 40.6MB in the end (delta: -13.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN